# Sonos

We have not found a subprocessor list published by Sonos. We monitor 6 of its documents, which we last checked on 2026-11-11.

Sonos (sonos.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/sonos
- Documents last verified: 2026-11-11
- Transparency rating: 35/100 (how much it publishes, not how secure it is): Subprocessor list 0/30 (not found); Processing locations 0/8 (no list); Purposes 0/7 (no list); 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 5/5; Pages still reachable 8/8
- Supply chain: relies on 0 tracked vendors directly, 0 within two hops, 0 within three; 0 tracked vendors rely on it directly, 0 within two hops, 0 within three
- Cite as: Sonos, Third Party Index, https://thirdpartyindex.com/vendors/sonos (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Privacy policy | https://www.sonos.com/en-us/legal/privacy | 2026-11-11 | 2026-11-04 |
| Terms | https://www.sonos.com/en-us/legal/terms | 2026-11-11 | 2026-10-06 |
| Security page | https://www.sonos.com/en-us/security | 2026-11-11 | 2026-10-06 |
| security.txt | https://www.sonos.com/.well-known/security.txt | 2026-11-11 | 2026-09-21 |
| Status page | https://status.sonos.com/ | 2026-11-11 | 2026-11-11 |
| Security advisories | https://www.sonos.com/en-us/vulnerability-disclosure-policy | 2026-11-11 | 2026-10-06 |

## Subprocessors (0)

No subprocessor list has been found or read for this vendor.

## Security program

What Sonos Inc's Form 10-K for fiscal 2025, filed Nov 14, 2025 (Item 1C) says, in its words (https://www.sec.gov/Archives/edgar/data/1314727/000131472725000090/0001314727-25-000090-index.htm).

- Led by: Head of Security
- Leader's experience: 25+ years
- Board oversight: Audit Committee
- Practices named: Incident response plan, Penetration testing
- Engages outside assessors or consultants
- Reviews its suppliers' security
- Says no cybersecurity incident has materially affected it

## Web Technologies

Sonos's homepage made 293 requests to 37 domains, 25 services controlled by another company, and 5 domains not identified. Loaded on 2026-10-12 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.

25 third parties by category: Advertising 12 (Google Cloud, The Trade Desk, Inc., Pinterest, Microsoft, Spotify AB, Pinterest, Snap Inc., Neustar, Inc. (TransUnion); reviewed: Tapad, Inc.; usually detected as Advertising: Snap, Xandr, Magnite, Inc.); Analytics 2 (TikTok, TikTok); Marketing automation 2 (Braze, Postie); A/B Testing 1 (usually detected as A/B Testing: Optimizely); Cookie compliance 1 (OneTrust); CDN 1 (UNPKG); Customer data platform 1 (reviewed: LiveRamp); Email 1 (LiveIntent); Font scripts 1 (usually detected as Font scripts: Font Awesome); Fulfilment 1 (Extend); Unclassified 2 (Sabio Holdings Inc. (AppScience), Sabio London Limited). 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 (25)

- Google Cloud: 54 requests to doubleclick.net, google.com, googleadservices.com, googletagmanager.com; DoubleClick Floodlight, Google Tag Manager
- OneTrust: 10 requests to cookielaw.org, onetrust.com; OneTrust
- Snap: 8 requests to snapchat.com
- The Trade Desk, Inc.: 8 requests to adsrvr.org; theTradeDesk
- TikTok: 6 requests to tiktok.com; TikTok Pixel
- LiveIntent: 5 requests to liadm.com; LiveIntent
- Pinterest: 5 requests to pinterest.com; Pinterest Ads
- Microsoft: 3 requests to bing.com; Microsoft Advertising
- Optimizely: 3 requests to optimizely.com
- Spotify AB: 3 requests to spotify.com, byspotify.com; Spotify Pixel
- Braze: 2 requests to appboycdn.com, braze.com; Braze 6.8
- Font Awesome: 2 requests to fontawesome.com
- Pinterest: 2 requests to pinimg.com; Pinterest Ads
- Snap Inc.: 2 requests to sc-static.net; Snap Pixel
- Tapad, Inc.: 2 requests to tapad.com
- UNPKG: 2 requests to unpkg.com; Unpkg, web-vitals 6.2.3
- Xandr: 2 requests to adnxs.com
- Extend: 1 request to helloextend.com; Extend 1
- LiveRamp: 1 request to rlcdn.com
- Magnite, Inc.: 1 request to rubiconproject.com
- Neustar, Inc. (TransUnion): 1 request to agkn.com; Neustar Marketing Solutions
- Postie: 1 request to postie.com; Postie
- Sabio Holdings Inc. (AppScience): 1 request to appsci.io
- Sabio London Limited: 1 request to sabio.us
- TikTok: 1 request to tiktokw.us; TikTok Pixel

### Unknown (5)

Domains not identified yet: cleera.app, iperceptions.com, visitor-speed.com, getletterpress.com, usbrowserspeed.com

### First party (1)

- Sonos: 150 requests to sonos.com; Framer Motion, Google Analytics, HSTS, Next.js 16.3.4, Next.js App Router, Open Graph, Optimizely, Pinterest Conversion Tag, Priority Hints, React, Snowplow Analytics, Vercel, Vercel Analytics, Vercel Speed Insights 1.3.1, Webpack, core-js 3.50.0

9 tracked companies loaded by the homepage are not in Sonos's subprocessor list. A website can use a service without it processing customer data.

## Subprocessor of (0)

No tracked vendor lists it.

## Service status

Incidents it reported on its own status page.

- Last 90 days: 8 reported incidents (7 major or critical, 0 minor, 1 with no impact stated)
- Typical time to resolve: 4 h 22 min
- Status page last read: 2026-11-12
- 2026-10-23: Apple Music - Adding Account on Android Controller Partial Outage (major)
- 2026-10-06: Sonos account - Adding Account Failure (major)
- 2026-09-27: Apple Music - Adding Account Issues (major)
- 2026-09-27: Spotify - Adding Account Issue (major)
- 2026-09-25: Alexa Setup Outage (major)
- 2026-09-15: Alexa Voice Control - Add Account - Partial failure (major)
- 2026-08-21: Storytel - Browse Issues (critical)
- 2026-08-15: Pandora - Playback Issues (no impact stated)

## Security contact

From its security.txt (https://www.sonos.com/.well-known/security.txt) ([evidence](https://thirdpartyindex.com/evidence/1484)):

- Contact: mailto:security@sonos.com
- Disclosure policy: https://www.sonos.com/en-us/vulnerability-disclosure-policy
- Encryption key: https://s3.amazonaws.com/public-pgp-snssec/sonos-security.pgp
- Acknowledgments: https://www.sonos.com/en-us/security-acknowledgements
- Security jobs: https://sonos.wd1.myworkdayjobs.com/Sonos
- No expiry date

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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