# Duo Security Duo Security declares [13 subprocessors](https://thirdpartyindex.com/vendors/duo-security#subprocessors) in [its subprocessor list](https://trustportal.cisco.com/c/dam/r/ctp/docs/privacydatasheet/security/cisco-duo-offer-disclosure.pdf), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/232772)). They include [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services), [Google Cloud](https://thirdpartyindex.com/vendors/google-cloud) and [Salesforce](https://thirdpartyindex.com/vendors/salesforce). No published changes since we first read it on 2026-11-07. [7 tracked vendors](https://thirdpartyindex.com/vendors/duo-security#used-by) name Duo Security as a subprocessor, including [Aha Labs](https://thirdpartyindex.com/vendors/aha-labs), [EasyPost](https://thirdpartyindex.com/vendors/easypost) and [Claranet](https://thirdpartyindex.com/vendors/claranet). Duo Security (duo.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index. - Page: https://thirdpartyindex.com/vendors/duo-security - Documents last verified: 2026-11-11 - Transparency rating: 75/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 8/8; Purposes 7/7; Data processing addendum 0/12 (not found); Trust center 0/8 (not found); Privacy policy 6/6; security.txt 6/6; Security page 5/5; Status page 5/5; Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8 - Part of: [Cisco](https://thirdpartyindex.com/vendors/cisco) - Supply chain: relies on 13 tracked vendors directly, 94 within two hops, 375 within three; 7 tracked vendors rely on it directly, 30 within two hops, 118 within three - Cite as: Duo Security, Third Party Index, https://thirdpartyindex.com/vendors/duo-security (data CC BY 4.0) ## Documents | Document | URL | Last verified | Last changed | |---|---|---|---| | Subprocessor list | https://trustportal.cisco.com/c/dam/r/ctp/docs/privacydatasheet/security/cisco-duo-offer-disclosure.pdf | 2026-11-11 | 2026-11-07 | | Privacy policy | https://duo.com/legal/cisco-online-privacy-statement | 2026-11-11 | 2026-11-06 | | Terms | https://duo.com/legal/terms | 2026-11-11 | 2026-11-06 | | Security page | https://duo.com/support/security-and-reliability | 2026-11-11 | 2026-11-06 | | security.txt | https://duo.com/.well-known/security.txt | 2026-11-11 | 2026-11-06 | | Status page | https://status.duo.com/ | 2026-11-11 | 2026-11-11 | | Trust center (parent company's) | https://trustportal.cisco.com/c/r/ctp/trust-portal.html | 2026-11-11 | 2026-11-10 | ## Subprocessors (13) As its own list states them. | Subprocessor | Purpose | Location | Listed since | |---|---|---|---| | [Amplitude](https://thirdpartyindex.com/vendors/amplitude.md) | Analyze feature usage and product functionality | US (Virginia, Ohio, Oregon, California) | 2026-11-07 | | [AWS](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Cloud based infrastructure and hosting, analytics, data storage | US (California, Oregon), Canada, Ireland, Germany, Australia, Japan, Singapore, the United Kingdom, India, and the UAE; US (Ohio), Germany, UK, Australia, and Japan | 2026-11-07 | | [Bandwidth Inc.](https://thirdpartyindex.com/vendors/bandwidth.md) | Telephone and SMS for authentication | US (California, Oregon, Virginia) | 2026-11-07 | | [Clickatell, Inc.](https://thirdpartyindex.com/vendors/clickatell.md) | Telephone and SMS for authentication | US (California, Oregon, Virginia) | 2026-11-07 | | [Datadog](https://thirdpartyindex.com/vendors/datadog.md) | Data Storage and analytics | US (Virginia) | 2026-11-07 | | [Google](https://thirdpartyindex.com/vendors/google-cloud.md) | Push notifications for authentication | US (California, Nevada, Ohio, Virignia), Ireland | 2026-11-07 | | [Marketo](https://thirdpartyindex.com/vendors/marketo.md) | Automated account management | US (California, Virginia) | 2026-11-07 | | [Mulesoft](https://thirdpartyindex.com/vendors/mulesoft.md) | Assist with Salesforce integration | US (California, Oregon, Virginia) | 2026-11-07 | | [Nexmo Inc.](https://thirdpartyindex.com/vendors/vonage.md) | Telephone and SMS for authentication | US (California, Oregon, Virginia) | 2026-11-07 | | [Salesforce](https://thirdpartyindex.com/vendors/salesforce.md) | Deliver, support, and improve the services | US (Arizona, Texas) | 2026-11-07 | | [Sentry](https://thirdpartyindex.com/vendors/sentry.md) | Error Reporting | US (Iowa) | 2026-11-07 | | [Snowflake](https://thirdpartyindex.com/vendors/snowflake.md) | Analytics and data storage; Data Storage and analytics | Co-located with AWS account US (Virginia); US (Virginia) | 2026-11-07 | | [Twilio, Inc.](https://thirdpartyindex.com/vendors/twilio.md) | Telephone and SMS for authentication | US (Oregon, Virginia) | 2026-11-07 | Read from ([evidence](https://thirdpartyindex.com/evidence/232772)). CSV: https://thirdpartyindex.com/vendors/duo-security/subprocessors.csv ## Web Technologies Duo Security's homepage made 282 requests to 48 domains, 28 services controlled by another company, and 4 domains not identified. Loaded on 2026-11-07 by a browser that accepted nothing; other visits may load more or less. What a page loads is not a list of who receives customer data. 28 third parties by category: Advertising 9 (Google Cloud, The Trade Desk, Inc., Microsoft, Metadata, Reddit, Inc., Spotify AB; usually detected as Advertising: Xandr, Magnite, Inc., X Corp.); Analytics 8 (Adobe, Contentsquare, TikTok, LinkedIn, Meta, ZoomInfo, Cloudflare, TikTok); Tag managers 1 (Tealium); Marketing automation 1 (6Sense Insights, Inc.); Live chat 1 (Qualified.com, Inc.); A/B Testing 1 (Optimizely); Cookie compliance 1 (OneTrust); Documentation 1 (TechTarget, Inc.); Geolocation 1 (ipify); Issue trackers 1 (usually detected as Issue trackers: Sentry); Miscellaneous 1 (reviewed: Yahoo); Video players 1 (Wistia); Unclassified 1 (Oracle). Each company that appears controlled by another organization is counted once, under the main category of the technologies detected from it on this homepage or, when none was, the category recorded from the company's own page (marked reviewed) or else the one it is usually detected as on other published homepages (marked as such); unclassified: none of these. ### Third parties (28) - Qualified.com, Inc.: 40 requests to qualified.com; Qualified - Google Cloud: 29 requests to google.com, doubleclick.net, googletagmanager.com, google-analytics.com; DoubleClick Floodlight, Google Analytics, Google Tag Manager (its subprocessor list names it too) - Tealium: 28 requests to tiqcdn.com; Tealium - 6Sense Insights, Inc.: 17 requests to 6sc.co; 6sense - Wistia: 15 requests to wistia.com, wistia.net; Wistia - OneTrust: 11 requests to cookielaw.org, onetrust.com; OneTrust - Adobe: 10 requests to bizible.com, demdex.net, adoberesources.net, bizibly.com; Adobe Marketo Measure - The Trade Desk, Inc.: 9 requests to adsrvr.org; theTradeDesk - Contentsquare: 8 requests to contentsquare.net; Contentsquare - Microsoft: 7 requests to bing.com; Microsoft Advertising - TikTok: 6 requests to tiktok.com; TikTok Pixel - Metadata: 4 requests to metadata.io; Metadata.io - Oracle: 4 requests to eloqua.com, en25.com - LinkedIn: 3 requests to linkedin.com, licdn.com; Linkedin Insight Tag - Meta: 3 requests to facebook.net, facebook.com; Facebook Pixel 2.9.438 - Optimizely: 3 requests to optimizely.com; Optimizely - Reddit, Inc.: 3 requests to reddit.com, redditstatic.com; Reddit Ads - Spotify AB: 3 requests to spotify.com, byspotify.com; Spotify Pixel - ZoomInfo: 3 requests to zi-scripts.com, zoominfo.com; Zoominfo - Xandr: 2 requests to adnxs.com - Cloudflare: 1 request to cloudflareinsights.com; Cloudflare Browser Insights - Magnite, Inc.: 1 request to rubiconproject.com - Sentry: 1 request to sentry.io (its subprocessor list names it too) - TechTarget, Inc.: 1 request to techtarget.com; TechTarget - TikTok: 1 request to tiktokw.us; TikTok Pixel - X Corp.: 1 request to twitter.com - Yahoo: 1 request to yahoo.com - ipify: 1 request to ipify.org; ipify ### Affiliates (1) - Cisco: 12 requests to cisco.com ### Unknown (4) Domains not identified yet: d1il5533o350rp.cloudfront.net, krxd.net, qscripts.s3.amazonaws.com, quorum.works ### First party (1) - Duo Security: 50 requests to duo.com; Adobe Analytics, Adobe Audience Manager, Adobe Experience Platform Identity Service, Amazon CloudFront, Amazon Web Services, Eloqua, HSTS, LottieFiles 5.13.0, Open Graph, Priority Hints, Sentry, core-js 3.32.2, jQuery 3.7.1, jQuery UI 1.14.1 14 tracked companies loaded by the homepage are not in Duo Security's subprocessor list. A website can use a service without it processing customer data. ## Subprocessor of (7) Tracked vendors whose own subprocessor lists name it, and what they say they use it for. - [Aha Labs](https://thirdpartyindex.com/vendors/aha-labs.md) - [Bluebeam](https://thirdpartyindex.com/vendors/bluebeam.md): Multi‑factor authentication service for user access to Bluebeam systems. - [Claranet](https://thirdpartyindex.com/vendors/claranet.md): Multi-factor-authentication (MFA) - [EasyPost](https://thirdpartyindex.com/vendors/easypost.md): Security Software - [HorizonIQ](https://thirdpartyindex.com/vendors/horizoniq.md): Duo Security is a vendor of cloud-based, two-factor authentication services. - [Lightedge](https://thirdpartyindex.com/vendors/lightedge.md): Products & Services – Security - [Presidio](https://thirdpartyindex.com/vendors/presidio.md): Multi-Factor Authentication ## Service status Incidents it reported on its own status page. - Last 90 days: 1 reported incidents (0 major or critical, 1 minor, 0 with no impact stated) - Typical time to resolve: 1 h 19 min - Status page last read: 2026-11-12 - 2026-09-03: Duo - Partial Hardware Token Authentication Issues - United States (minor) - 2026-08-10: New Signups Unavailable (no impact stated) - 2026-08-08: Duo Phone Call Authentication Failures - United States (minor) - 2026-07-23: VoIP and SMS Delivery Issues in Israel (minor) - 2026-07-07: Duo - Phone call and SMS authentication issues - Australia (minor) - 2026-06-23: UAE Telephony SMS issue (minor) - 2026-06-10: AI Assistant Service Disruption in US-W1 (minor) - 2026-05-18: All US Deployments: AI Assistant failures (minor) ## Incidents reported by Duo Security's subprocessors Incidents reported in the last 30 days on their own status pages by 6 vendors Duo Security lists as subprocessors. A subprocessor list names a company, not the service an incident touched. - 2026-11-12: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Duo Security lists as a subprocessor, reported INC20000347 (minor) - 2026-11-12: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Failures from Twilio to GCI United States (minor) - 2026-11-12: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from Twilio Long Codes to AT&T United States (minor) - 2026-11-12: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from Twilio to Orange Sierra Leone (minor) - 2026-11-12: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures From Long Code Numbers to AT&T in the US (minor) - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to MTS Kazakhstan (minor) - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Phone Numbers to Tcell Tajikistan (minor) - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks in United States (minor) - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Phone Numbers to K-Cell Kazakhstan (minor) - 2026-11-11: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported JFK Calling Incident - Inbound/Outbound Calling (minor) - 2026-11-11: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Duo Security lists as a subprocessor, reported US issues feed throwing intermittent errors (minor) - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures in JP1 (minor) - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from Twilio to Turkcell Turkey (minor) - 2026-11-11: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Duo Security lists as a subprocessor, reported Account emails not being delivered (major) - 2026-11-11: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Retroactive Incident Impacting Twilio Usage APIs (no impact stated) - 2026-11-10: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Issue resolved (minor) - 2026-11-10: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Duo Security lists as a subprocessor, reported EU region replay ingestion latency (minor) - 2026-11-10: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio Phone Numbers to Movistar Venezuela (minor) - 2026-11-10: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 536 - Oklahoma City, OK (critical) - 2026-11-10: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Toll-Free Port Activation Delays (minor) - 2026-11-10: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 532 - Wichita, KS (no impact stated) - 2026-11-10: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Verizon in United States (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported WhatsApp Business API Message Send Failures (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Chile (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Audio Quality Degradation, Silent and One-Way Audio between Twilio and Multiple Networks in United Kingdom (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Multiple Networks in Italy (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Spusu United Kingdom (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Bouygues Telecom France (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from Network Subscribers in Germany to a Subset of Twilio Long Codes (minor) - 2026-11-09: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from Twilio to ETL Laos (minor) - 2026-11-09: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - Grand Island, NE (no impact stated) - 2026-11-08: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from Twilio to MTN Nigeria (minor) - 2026-11-08: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EnStream in Canada (minor) - 2026-11-07: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Globe Philippines (minor) - 2026-11-07: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Long Codes and Short Codes to Multiple Networks in United States (minor) - 2026-11-07: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Multiple Networks in India (minor) - 2026-11-07: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Multiple Networks in New Zealand (minor) - 2026-11-07: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Duo Security lists as a subprocessor, reported INC20000337 (minor) - 2026-11-07: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 256 Clarksburg WV (critical) - 2026-11-06: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Duo Security lists as a subprocessor, reported INC20000336 (minor) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Networks in Chile (minor) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Dominican Republic (minor) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported TwiML ConversationRelay Documents Page Error (minor) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Chile (minor) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Audio Quality Degradation from a Subset of Twilio Mobile Numbers to Claro Colombia (minor) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Notification Logs Unavailable in Console (minor) - 2026-11-06: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays Between Twilio and T-Mobile in Czech Republic (minor) - 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Silent and One-Way Audio between a Subset of Twilio Phone Numbers and Multiple Networks in Colombia (minor) - 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Puerto Rico (minor) - 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from Twilio Phone Numbers to Lycamobile France (minor) - 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Mobile Numbers to Argentina (minor) - 2026-11-05: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Duo Security lists as a subprocessor, reported Session Replay capturing more sessions than configured (minor) - 2026-11-05: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Duo Security lists as a subprocessor, reported Delayed S3 export (minor) - 2026-11-05: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Canada Phone Numbers to Rogers Wireless and Fido Canada (minor) - 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Search Delays on Enterprise Knowledge (minor) - 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Delayed Email Validation History (minor) - 2026-11-04: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Duo Security lists as a subprocessor, reported Ingestion delays across all data (minor) - 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Brazil (minor) - 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Algar Telecom Brazil (minor) - 2026-11-04: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 248 - Richmond, VA (no impact stated) - 2026-11-04: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Failures from a Subset of Twilio Long Codes to GCI United States (minor) - 2026-11-03: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Voice Authentication Incident - Pindrop (major) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks in United States (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Receipt Delays and Delivery Delays from a Subset of Twilio Long Codes and Short Codes to AT&T United States (minor) - 2026-11-03: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Duo Security lists as a subprocessor, reported Delays in spans and transactions processing (major) - 2026-11-03: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Duo Security lists as a subprocessor, reported Sentry.io dashboard and API is down (critical) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Delays and Failures from a Subset of Twilio Short Codes to T-Mobile and Verizon United States (minor) - 2026-11-03: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Outbound 10DLC MMS Delivery Incident - T-Mobile, Verizon, AT&T (major) - 2026-11-03: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 246 - Culpeper, VA (no impact stated) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Brisanet Brazil (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Multiple Small Networks United States (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Entel Bolivia (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Lycamobile United Kingdom (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Audio Quality Degradation from a Subset of Twilio Phone Numbers to Multiple Networks in United States (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported RateQueue Host Down Did Not Recover (minor) - 2026-11-03: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Media Streams Audio Delays (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Claro Puerto Rico (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Puerto Rico (minor) - 2026-11-02: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Brussels (BRU) data center incident (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call One-Way Audio from Brazil to a Subset of Twilio Numbers (no impact stated) - 2026-11-02: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Outbound 10DLC MMS Delivery Incident (minor) - 2026-11-02: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Non-North American Emergency Address Validation Incident (major) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Some Customers May Have Incorrect Balances Reflected on Their Account (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio Alphanumeric Sender Type to T-Mobile Austria (minor) - 2026-11-02: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Duo Security lists as a subprocessor, reported Sentry dashboard is down (critical) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to T-Mobile and O2 Czech Republic (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on XL Axiata in Indonesia (minor) - 2026-11-02: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 130 - Providence, RI (no impact stated) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Philippines Phone Numbers to Multiple Networks in Philippines (minor) - 2026-11-02: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Google Voice United States (minor) - 2026-11-01: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from Twilio to KDDI Japan (minor) - 2026-10-31: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Outbound 10DLC MMS Delivery Delays - T-Mobile & Verizon (no impact stated) - 2026-10-30: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Duo Security lists as a subprocessor, reported INC20000321 (minor) - 2026-10-30: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) High Latency on KPN in Netherlands (minor) - 2026-10-30: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on Smart in Philippines (minor) - 2026-10-30: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Automated Alert: Minimal Customer Impact (no impact stated) - 2026-10-30: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 246 - Culpeper, VA (no impact stated) - 2026-10-30: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS and MMS Delivery Delays from Twilio to Altice United States (minor) - 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Multiple Networks in Multiple Countries Across Africa and Asia (minor) - 2026-10-29: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 658 - Colorado Springs, CO (critical) - 2026-10-29: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Number Portability Checker Incident (major) - 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Vivo Brazil (minor) - 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Verizon in United States (minor) - 2026-10-29: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 362 - Carbondale, IL (no impact stated) - 2026-10-29: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Duo Security lists as a subprocessor, reported INC20000319 (minor) - 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Flex Agent Copilot Note Generation Issues (minor) - 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to T-Mobile United States (minor) - 2026-10-29: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Receipt Delays from a Subset of Twilio Short Codes to T-Mobile United States (minor) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Link Shortening Redirect Errors on Branded Domains (minor) - 2026-10-28: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported 10DLC Campaign Provisioning - Order Delay (no impact stated) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Long Codes to Orange Belgium (minor) - 2026-10-28: [Datadog](https://thirdpartyindex.com/vendors/datadog#status), which Duo Security lists as a subprocessor, reported Metrics query are disrupted (major) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase and Gateway API (Lookup API) Failure Increase on EE in United Kingdom (minor) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Possible 503 Errors for Messaging Traffic in the Australia Region (minor) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase on Indosat in Indonesia (minor) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to MTC Namibia (minor) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Twilio Console Errors (no impact stated) - 2026-10-28: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 548 - Wichita Falls, TX (no impact stated) - 2026-10-28: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Elevated 500 Errors Affecting Programmable Voice API (no impact stated) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Surf Telecom Brazil (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures between a Subset of Twilio Long Codes and Multiple Networks in Portugal (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures From a Subset of Twilio Phone Numbers to Argentina (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Elevated 500 Errors Affecting Programmable Messaging API (no impact stated) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United States (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Automated Alert: Minimal Customer Impact (no impact stated) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures from Twilio Mobile Numbers to Israel (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Gateway API (Lookup API) Failure Increase on Three in United Kingdom (minor) - 2026-10-27: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Outbound MMS Delays - AT&T (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Turkcell Turkey (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Germany (minor) - 2026-10-27: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 658 - Colorado Springs, CO (critical) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Long Codes to AT&T United States (minor) - 2026-10-27: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures between a Subset of Twilio Long Codes and Multiple Networks in South Africa (minor) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures From a Subset of Twilio Phone Numbers to Multiple Networks in Brazil (minor) - 2026-10-26: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Duo Security lists as a subprocessor, reported Data Ingestion Delays (minor) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Delays and Failures from a Subset of Twilio Long Codes to Cellcom United States (minor) - 2026-10-26: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported LAX Data Center Incident (minor) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Docomo Pacific United States (minor) - 2026-10-26: [Datadog](https://thirdpartyindex.com/vendors/datadog#status), which Duo Security lists as a subprocessor, reported Elevated Error Rates for Workflow Automation, App Builder, Bits Code, Bits Agent Builder (major) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported WhatsApp Sandbox Sending Configuration Issues (minor) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Mauritel Mauritania (minor) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures from Twilio Phone Numbers to Digi Mobil Romania (minor) - 2026-10-26: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Cellcom Israel (minor) - 2026-10-25: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Telcel Mexico (minor) - 2026-10-25: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Claro Brazil and Puerto Rico (minor) - 2026-10-25: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Telia Sweden (minor) - 2026-10-25: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Airtel Nigeria (minor) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Azure Marketplace SendGrid Customers Experiencing Account Management Issues (minor) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) Failure Increase in Netherlands (minor) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to C-Spire United States (minor) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects on Vodafone in United Kingdom (minor) - 2026-10-24: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Duo Security lists as a subprocessor, reported Delayed/Blocked Event Delivery to Amazon Kinesis Destination (no impact stated) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures and Post Dial Delay From a Subset of Twilio Phone Numbers to United States (minor) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to WOM Colombia (minor) - 2026-10-24: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Claro Costa Rica (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures from Network Subscribers to Twilio Costa Rica Landline Numbers (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Claro Brazil (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from Twilio to Multiple Networks in South Africa (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telefonica Nicaragua (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Post Dial Delay from Twilio Phone Numbers to Chile (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Appalachian Wireless United States (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto Rico (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Multiple Networks in United States and Canada (minor) - 2026-10-23: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Toll-Free Port Activation Incident (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Telecall Brazil (minor) - 2026-10-23: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 668 - Tucson, AZ (no impact stated) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Claro Colombia (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Surf Telecom Brazil (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays between a Subset of Twilio Phone Numbers and Multiple Networks in Brazil (minor) - 2026-10-23: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Viaero United States (minor) - 2026-10-22: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Duo Security lists as a subprocessor, reported Streaming to External Destinations Unavailable (no impact stated) - 2026-10-22: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Duo Security lists as a subprocessor, reported Amplitude Website Outage (no impact stated) - 2026-10-22: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Duo Security lists as a subprocessor, reported Notice: Amplitude not impacted by recent PHP vulnerabilities (no impact stated) - 2026-10-22: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - Fresno/Los Angeles/San Luis Obispo, CA (major) - 2026-10-22: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Inbound Messaging - Verizon & T-Mobile (minor) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Issue with 500 Errors on Porting Request Submissions (minor) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Issue with Realtime Transcriptions and Deepgram (no impact stated) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Intelligent Alerts Delivery Issues (minor) - 2026-10-22: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Voice Authentication Incident - Pindrop (minor) - 2026-10-22: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 328 - Dayton, OH (critical) - 2026-10-22: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Off-Net Port Activations (major) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Hosted Number Verification Calls not Reaching Customers (minor) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Malitel Mali (minor) - 2026-10-22: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported US Voice Traffic (major) - 2026-10-22: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 521 - Jefferson City, MO (no impact stated) - 2026-10-22: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 973 - Palm Springs, CA (critical) - 2026-10-22: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 234 - Pittsburgh, PA (no impact stated) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported RCS Inbound Events Delayed (minor) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Billing Delays (no impact stated) - 2026-10-22: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to MTN Nigeria (minor) - 2026-10-21: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Outbound MMS Messaging - AT&T (minor) - 2026-10-21: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Toll-Free Port Activation Incident (major) - 2026-10-21: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 951 - Rocky Mount, NC (critical) - 2026-10-21: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Duo Security lists as a subprocessor, reported INC20000301 (critical) - 2026-10-21: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Duo Security lists as a subprocessor, reported Increased latency processing integration webhooks (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Silent Network Authentication (SNA) Missing Redirects and Gateway API (Lookup API) Failure Increase in Netherlands (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Cellularone NE Arizona United States (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender Type to Jazz Pakistan (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio Short Codes to Multiple Networks in India (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from United Kingdom to a Subset of Twilio Long Codes (minor) - 2026-10-21: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 548 - Wichita Falls, TX (no impact stated) - 2026-10-21: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 326 - Toledo, OH (no impact stated) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Customer's Unable to Create New Requests for Hosting and Porting (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to Orange France (minor) - 2026-10-21: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Duo Security lists as a subprocessor, reported Sentry.io not loading in US region (critical) - 2026-10-21: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Duo Security lists as a subprocessor, reported INC20000299 (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Post Dial Delay From a Subset of Twilio Phone Numbers to Israel (minor) - 2026-10-21: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from Twilio to T-Mobile Czech Republic (minor) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 140 - Buffalo, NY (no impact stated) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 230 - Altoona, PA (no impact stated) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Japan outbound calling incident (no impact stated) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 924 - Erie, PA (no impact stated) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 246 - Culpeper, VA (critical) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 972 - Harrisonburg, VA (no impact stated) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Toll Free Outbound Calling Incident (major) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from a Subset of Twilio Alphanumeric Sender IDs to United Arab Emirates (minor) - 2026-10-20: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Duo Security lists as a subprocessor, reported Export API returns 500 errors across multiple organizations (minor) - 2026-10-20: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Duo Security lists as a subprocessor, reported Sentry.io not loading (major) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 632 - Des Moines, IA (no impact stated) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Telnyx United States (minor) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Issue with Flex Agent Copilot Auto Wrap-up Notes (minor) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Phone Numbers to Telstra Australia (minor) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Australia based SMS Messaging Incident (minor) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported WhatsApp Embedded Signup Configuration Failures (minor) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures from Twilio Phone Numbers to Digi.Mobil Romania (minor) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth International Market Impairment - 951 - Rocky Mount, NC (no impact stated) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 220 - Pleasantville, NJ (no impact stated) - 2026-10-20: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Duo Security lists as a subprocessor, reported INC20000294 (critical) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase on AT&T in United States (minor) - 2026-10-20: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures from Network Subscribers to a Subset of Twilio Thailand Phone Numbers (minor) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported LATA 246 CLEC Market Outage - Fredericksburg/Culpepper, VA (no impact stated) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 924 - Erie, PA (no impact stated) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 230 - Altoona, PA (no impact stated) - 2026-10-20: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported LATA 927 CLEC Market Outage - Harrisonburg, VA (no impact stated) - 2026-10-19: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported MMS Delivery Incident - Verizon (minor) - 2026-10-19: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported SMS and MMS Delivery Delays - AT&T (minor) - 2026-10-19: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Duo Security lists as a subprocessor, reported Sentry is down (critical) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to AT&T United States (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported MMS Delivery Delays from a Subset of Twilio Long Codes to Telus Canada (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported RCS Delivery Receipt Delays for AT&T (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures between a Subset of Twilio Long Codes and Multiple Networks in Italy (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures from a Subset of Twilio Phone Numbers to Portugal (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures and Post Dial Delay from a Subset of Twilio Mobile Numbers to Brazil (minor) - 2026-10-19: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Toll-free Port Activation Delays (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures from a Subset of Callers to Twilio Denmark Phone Numbers (minor) - 2026-10-19: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to Surf Telecom Brazil (minor) - 2026-10-19: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Duo Security lists as a subprocessor, reported INC20000290 (minor) - 2026-10-18: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor) - 2026-10-18: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 542 - Midland, TX (no impact stated) - 2026-10-18: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported New Number Order Delays (no impact stated) - 2026-10-17: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from Twilio Alphanumeric Sender Type to Multiple Networks in Turkey (minor) - 2026-10-17: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported 5300 Errors on Singapore Client Edge (minor) - 2026-10-17: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Duo Security lists as a subprocessor, reported We are actively investigating an issue with our ingestion systems lagging (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported On Call Engineers are Investigating Errors with the Virtual Phone in Legacy Console (no impact stated) - 2026-10-16: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported MMS Delivery Incident (no impact stated) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes and Long Codes to Multiple Networks in Colombia (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Delayed A2P Campaign Approvals (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs and Long Codes to Multiple Networks in Czech Republic (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Verizon United States (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Phone Numbers to Brazil (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from Twilio to MTN Nigeria (minor) - 2026-10-16: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Silent and One-Way Audio from Gamma United Kingdom to a Subset of Twilio United Kingdom Phone Numbers (minor) - 2026-10-16: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 635 - Cedar Rapids, IA (no impact stated) - 2026-10-16: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 644- Omaha, NE (no impact stated) - 2026-10-16: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 646 - Grand Island, NE (no impact stated) - 2026-10-16: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Duo Security lists as a subprocessor, reported INC20000287 (critical) - 2026-10-15: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Messaging Delays - Verizon and T-Mobile (minor) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Post Dial Delay from a Subset of Twilio Toll-Free, Landline, and Mobile Phone Numbers to Multiple Networks in Multiple Countries (minor) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures from Austria to a Subset of Twilio Austria Phone Numbers (minor) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Email suppression issues (no impact stated) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Brisanet Brazil (minor) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from France to a Subset of Twilio Short Codes (minor) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from Network Subscribers to Twilio Colombia Shortcode Numbers (minor) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Silent Network Authentication (SNA) Failure Increase in Philippines (minor) - 2026-10-15: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 521 - Jefferson City, MO (no impact stated) - 2026-10-15: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays From a Subset of Twilio Phone Numbers to Surf Telecom Brazil (minor) - 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Failures from Twilio Alphanumeric Sender IDs and Long Codes to Evatis Djibouti (minor) - 2026-10-14: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported MMS Delivery Delays -T-Mobile & Verizon (no impact stated) - 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio Short Codes to Liberty Mobile Puerto Rico (minor) - 2026-10-14: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 654 - Cheyenne, WY (no impact stated) - 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Receipt Delays from a Subset of Twilio to Altan Redes Mexico (minor) - 2026-10-14: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Toll-free port activation incident (no impact stated) - 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures and Post Dial Delay from Twilio Phone Numbers to Israel (minor) - 2026-10-14: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 538 - Tulsa, OK (no impact stated) - 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Automated Alert: No Customer Impact (no impact stated) - 2026-10-14: [Sentry](https://thirdpartyindex.com/vendors/sentry#status), which Duo Security lists as a subprocessor, reported Ingestion Halted for EAP data in EU (major) - 2026-10-14: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 536 - Oklahoma City, OK (no impact stated) - 2026-10-14: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Bandwidth Local Market Impairment - 977 - Macomb, IL (critical) - 2026-10-14: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures between Twilio and Multiple Networks in Brazil and Italy (minor) - 2026-10-13: [Bandwidth](https://thirdpartyindex.com/vendors/bandwidth#status), which Duo Security lists as a subprocessor, reported Outbound MMS Delays - T-Mobile (no impact stated) - 2026-10-13: [Amplitude](https://thirdpartyindex.com/vendors/amplitude#status), which Duo Security lists as a subprocessor, reported Degraded Performance- Funnel charts renders as white text on a white/near-white background in light theme (no impact stated) - 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from a Subset of Twilio Alphanumeric Sender IDs to Beeline Kazakhstan (minor) - 2026-10-13: [Snowflake](https://thirdpartyindex.com/vendors/snowflake#status), which Duo Security lists as a subprocessor, reported INC20000277 (minor) - 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Audio Quality Degradation between Twilio Phone Numbers and Multiple Networks in Brazil (minor) - 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to VIVACOM Bulgaria (minor) - 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported Voice Call Failures between a Subset of Twilio South Africa Phone Numbers and Multiple Networks in South Africa (minor) - 2026-10-13: [Twilio](https://thirdpartyindex.com/vendors/twilio#status), which Duo Security lists as a subprocessor, reported SMS Delivery Delays and Failures from Twilio to Etisalat and Du United Arab Emirates (minor) The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/duo-security ## Security contact From its security.txt (https://duo.com/.well-known/security.txt) ([evidence](https://thirdpartyindex.com/evidence/224141)): - Contact: mailto:psirt@cisco.com - Disclosure policy: https://duo.com/about/security-and-reliability/security-response - Encryption key: https://tools.cisco.com/cscrdr/security/center/files/Cisco_PSIRT_0BE0457A.asc - Security jobs: https://duo.com/about/careers - No expiry date --- Third Party Index (https://thirdpartyindex.com) monitors vendors' public security and privacy documents and keeps each version as evidence. Data CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/); vendors' own documents are theirs. API: https://thirdpartyindex.com/api