# ON24

ON24 declares [1 subprocessor](https://thirdpartyindex.com/vendors/on24#subprocessors) in [its subprocessor list](https://www.on24.com/legal/subprocessors/), which we last checked on 2026-11-11 ([evidence](https://thirdpartyindex.com/evidence/144304)). It is [Microsoft](https://thirdpartyindex.com/vendors/microsoft). No published changes since we first read it on 2026-10-23. [3 tracked vendors](https://thirdpartyindex.com/vendors/on24#used-by) name ON24 as a subprocessor, including [Otter Meeting Agent](https://thirdpartyindex.com/vendors/otter-meeting-agent), [AlphaSense](https://thirdpartyindex.com/vendors/alphasense) and [FundApps](https://thirdpartyindex.com/vendors/fundapps).

ON24 (on24.com): subprocessors, data processing agreement, security documents and changes, as monitored by Third Party Index.

- Page: https://thirdpartyindex.com/vendors/on24
- Documents last verified: 2026-11-11
- Transparency rating: 52/100 (how much it publishes, not how secure it is): Subprocessor list 30/30; Processing locations 0/8 (partial); Purposes 0/7 (partial); Data processing addendum 0/12 (not found); Trust center 8/8; 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 1 tracked vendors directly, 20 within two hops, 110 within three; 3 tracked vendors rely on it directly, 6 within two hops, 7 within three
- Cite as: ON24, Third Party Index, https://thirdpartyindex.com/vendors/on24 (data CC BY 4.0)

## Documents

| Document | URL | Last verified | Last changed |
|---|---|---|---|
| Trust center | https://trust.on24.com/ | 2026-11-11 | 2026-09-21 |
| Subprocessor list | https://www.on24.com/legal/subprocessors/ | 2026-11-11 | 2026-10-23 |
| Privacy policy | https://www.on24.com/privacy-policy/ | 2026-11-11 | 2026-10-23 |
| Terms | https://www.on24.com/tou/ | 2026-11-11 | 2026-10-23 |

## Subprocessors (1)

As its own list states them.

| Subprocessor | Purpose | Location | Listed since |
|---|---|---|---|
| [Microsoft](https://thirdpartyindex.com/vendors/microsoft.md) | — | — | 2026-10-23 |

Read from ([evidence](https://thirdpartyindex.com/evidence/144304)). CSV: https://thirdpartyindex.com/vendors/on24/subprocessors.csv

## Compliance

As its trust center lists them.

- Audited: SOC 2 Type II, ISO/IEC 27001, ISO/IEC 27701 ([evidence](https://thirdpartyindex.com/evidence/1664))

## Web Technologies

ON24's homepage made 42 requests to 7 domains, and 4 services controlled by another company. Loaded on 2026-11-04 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.

4 third parties by category: CDN 2 (jQuery, jsDelivr); Analytics 1 (Google Cloud); Video players 1 (reviewed: Vimeo). 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 (4)

- Google Cloud: 6 requests to gstatic.com, fonts.googleapis.com, googletagmanager.com; Google Analytics, Google Tag Manager
- Vimeo: 1 request to vimeo.com
- jQuery: 1 request to jquery.com; jQuery 3.6.0, jQuery CDN
- jsDelivr: 1 request to jsdelivr.net; jsDelivr

### First party (1)

- ON24: 33 requests to on24.com; Adobe Client Data Layer 3.0.1, Cloudflare, Google Font API, HSTS, HTTP/3, Kinsta, MySQL, Open Graph, PHP, Priority Hints, Unpkg, Vimeo, WP Rocket 3.18.3, WPML 4.9.5, WordPress, Yoast SEO 27.9, YouTube

3 tracked companies loaded by the homepage are not in ON24's subprocessor list. A website can use a service without it processing customer data.

## Subprocessor of (3)

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

- [AlphaSense](https://thirdpartyindex.com/vendors/alphasense.md): Webinar registration and Management software
- [FundApps](https://thirdpartyindex.com/vendors/fundapps.md)
- [Otter Meeting Agent](https://thirdpartyindex.com/vendors/otter-meeting-agent.md): Webinar and virtual event hosting platform.

The subprocessor list as we read it on any date: https://thirdpartyindex.com/labs/time-machine/on24

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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