# HiddenLayer

[1 tracked vendor](https://thirdpartyindex.com/vendors/hiddenlayer#used-by), [GitLab](https://thirdpartyindex.com/vendors/gitlab), names HiddenLayer as a subprocessor. We have not found a subprocessor list published by HiddenLayer. We monitor 4 of its documents, which we last checked on 2026-11-11.

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

- Page: https://thirdpartyindex.com/vendors/hiddenlayer
- Documents last verified: 2026-11-11
- Transparency rating: 36/100 (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 12/12; Trust center 0/8 (not found); Privacy policy 6/6; security.txt 0/6 (not found); Security page 5/5; Status page 0/5 (not found); Vulnerability disclosure 5/5; Pages still reachable 8/8
- Supply chain: relies on 0 tracked vendors directly, 0 within two hops, 0 within three; 1 tracked vendors rely on it directly, 40 within two hops, 100 within three
- Cite as: HiddenLayer, Third Party Index, https://thirdpartyindex.com/vendors/hiddenlayer (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Data processing addendum | https://www.hiddenlayer.com/dpa | 2026-11-11 | 2026-09-22 |
| Privacy policy | https://www.hiddenlayer.com/privacy | 2026-11-11 | 2026-10-15 |
| Security page | https://www.hiddenlayer.com/security | 2026-11-11 | 2026-09-22 |
| Security advisories | https://www.hiddenlayer.com/innovation-hub/sai-security-advisory | 2026-11-11 | 2026-11-09 |

## Subprocessors (0)

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

## Web Technologies

HiddenLayer's homepage made 194 requests to 16 domains, 11 services controlled by another company, and 1 domain not identified. Loaded on 2026-11-05 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.

11 third parties by category: CDN 3 (jsDelivr, Cloudflare; usually detected as CDN: UNPKG); Analytics 2 (Google Cloud; usually detected as Analytics: HubSpot); Marketing automation 2 (Warmly; usually detected as Marketing automation: Adobe); Cookie compliance 1 (CookieYes); Email 1 (LiveIntent); JavaScript libraries 1 (Webflow); Recruitment & staffing 1 (usually detected as Recruitment & staffing: Greenhouse). 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 (11)

- Webflow: 74 requests to website-files.com, d3e54v103j8qbb.cloudfront.net; Webflow 1.6.0, jQuery 3.5.1
- Adobe: 43 requests to typekit.net
- jsDelivr: 22 requests to jsdelivr.net; Lightbox, jsDelivr
- Warmly: 15 requests to getwarmly.com; Warmly
- CookieYes: 10 requests to cdn-cookieyes.com, cookieyes.com; CookieYes
- HubSpot: 4 requests to hsforms.com, hsforms.net
- LiveIntent: 4 requests to liadm.com; LiveIntent
- UNPKG: 4 requests to unpkg.com
- Cloudflare: 2 requests to cloudflare.com; cdnjs
- Google Cloud: 1 request to googletagmanager.com; Google Analytics, Google Tag Manager
- Greenhouse: 1 request to greenhouse.io

### Unknown (1)

Domains not identified yet: usbrowserspeed.com

### First party (1)

- HiddenLayer: 13 requests to hiddenlayer.com; Adobe Fonts 1.21.0, Cloudflare, Finsweet, GSAP 3.11.3, HSTS, HTTP/3, HubSpot, LottieFiles, Open Graph, Swiper, Typekit 1.21.0, Unpkg, Webpack, core-js 3.50.0

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

## Subprocessor of (1)

Tracked vendors whose own subprocessor lists name it, and what they say they use it for.

- [GitLab](https://thirdpartyindex.com/vendors/gitlab.md): Prompt Injection Security for AI-Powered Product Features

## Federal contracts

U.S. government prime awards and reported subawards to its UEI (LFRTGGFNU3S6), from USAspending, by funding agency. Records show funding, not use.

| Agency | Department | Prime awards | Obligated | Subawards | Subaward total | First | Last |
|---|---|---|---|---|---|---|---|
| Department of the Air Force | Department of Defense | 3 | $3.1M | — | — | 2023-05-03 | 2024-04-24 |
| Missile Defense Agency | Department of Defense | 1 | $500 | — | — | 2025-12-19 | 2026-06-04 |

4 records ([evidence](https://thirdpartyindex.com/evidence/13786)). Details: https://thirdpartyindex.com/vendors/hiddenlayer/federal

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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