Horizon3.ai
Last verified 2026-05-22. JSON
The funding figures on this page are attributed, not sourced: a publisher is on record but no document URL is. How we mark provenance.
| Total raised | $218.0Mattributed |
|---|---|
| Latest round | series-d+, $100.0M, 2025-05-28attributed |
| Founded | 2019 |
| Headquarters | San Francisco, USA |
| Industry | cybersecurity |
| Stage | series-b+ |
| Website | horizon3.ai |
Horizon3.ai provides autonomous penetration testing software that continuously attacks enterprise networks from an attacker's perspective to find and prioritise exploitable vulnerabilities for security teams. Its NodeZero platform runs real attack chains—not just CVE scans—so teams know which findings are actually exploitable in their environment.
Funding rounds
| Date | Round | Amount | Lead |
|---|---|---|---|
| 2025-05-28 | series-d+ | $100.0M | undisclosed |
Detected tech stack
Cloudflare, The SEO Framework, Ahrefs, Kinsta, Google Tag Manager, jQuery Migrate 3.4.1, Cloudflare Bot Management, CookieYes, WordPress, Bricks, BugHerd, MailChimp
Provenance
| Fact | Status | Basis |
|---|---|---|
| Series D+, $100.0M | attributed | techcrunch named as publisher. No document URL on file. |
| Total raised $218.0M | attributed | techcrunch named as publisher. No document URL on file. |
| Company existence | self-reported | horizon3.ai, read 2026-05-22 |
| Description | self-reported | horizon3.ai, read 2026-05-22 |
Nothing on this page is sourced yet. A sourced fact links to a document that states it.
Change history
No change recorded since records began on 2026-09-24.