# Highwire

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

- Page: https://thirdpartyindex.com/vendors/highwire
- Documents last verified: 2026-10-02
- Transparency rating: 51/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 0/8 (partial); Purposes 7/7; Data processing addendum 0/12 (not found); Trust center 0/8 (not found); Privacy policy 6/6; security.txt 0/6 (not found); Security page 0/5 (not found); Status page 0/5 (not found); Vulnerability disclosure 0/5 (not found); Pages still reachable 8/8
- Supply chain: relies on 13 tracked vendors directly, 113 within two hops, 414 within three; 0 tracked vendors rely on it directly, 0 within two hops, 0 within three
- Cite as: Highwire, Third Party Index, https://thirdpartyindex.com/vendors/highwire (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Subprocessor list | https://help.highwire.com/hc/en-us/articles/38385831589908-Who-are-Highwire-s-data-subprocessors | 2026-10-02 | 2026-10-01 |
| Privacy policy | https://www.highwire.com/privacy-policy | 2026-10-02 | 2026-10-01 |
| Terms | https://www.highwire.com/terms | 2026-10-02 | 2026-10-01 |

## Subprocessors (13)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| [Amazon Web Services](https://thirdpartyindex.com/vendors/amazon-web-services.md) | Cloud infrastructure and hosting services | — | 2026-10-01 |
| [Atlassian](https://thirdpartyindex.com/vendors/atlassian.md) | Issue tracking, bug management, and internal project data | — | 2026-10-01 |
| [Auth0 (Okta)](https://thirdpartyindex.com/vendors/okta.md) | Identity and access management, user authentication, and single sign-on (SSO) services | — | 2026-10-01 |
| [HubSpot](https://thirdpartyindex.com/vendors/hubspot.md) | CRM and marketing automation | — | 2026-10-01 |
| [Metabase](https://thirdpartyindex.com/vendors/metabase.md) | Business intelligence and data visualization platform used for internal reporting, dashboards, and operational analytics | — | 2026-10-01 |
| [Microsoft Azure (AI Models)](https://thirdpartyindex.com/vendors/microsoft.md) | AI model inference services supporting Highwire’s AI-powered application features, including document analysis and safety risk analytics; Data integration, transformation, and analytics platform supporting internal business intelligence and reporting workflows | — | 2026-10-01 |
| [Middesk](https://thirdpartyindex.com/vendors/middesk.md) | Business identity verification / KYB, compliance screening, and risk assessment | — | 2026-10-01 |
| [Pendo](https://thirdpartyindex.com/vendors/pendo.md) | Product analytics, user behavior tracking, in-app guidance, and user feedback/surveys | — | 2026-10-01 |
| [Slack](https://thirdpartyindex.com/vendors/slack.md) | Internal team communication and collaboration | — | 2026-10-01 |
| [Stripe](https://thirdpartyindex.com/vendors/stripe.md) | Payment processing (credit cards, billing) | — | 2026-10-01 |
| [Twilio](https://thirdpartyindex.com/vendors/twilio.md) | SMS and voice communication services, including delivery of real-time alerts, notifications, and two-factor authentication messages to users | — | 2026-10-01 |
| [Twilio SendGrid](https://thirdpartyindex.com/vendors/sendgrid.md) | Transactional and marketing email delivery | — | 2026-10-01 |
| [Zendesk](https://thirdpartyindex.com/vendors/zendesk.md) | Customer support platform | — | 2026-10-01 |

Read from ([evidence](https://thirdpartyindex.com/evidence/27899)). CSV: https://thirdpartyindex.com/vendors/highwire/subprocessors.csv

## Subprocessor of (0)

No tracked vendor lists it.

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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