Company profile
Onyx Security
Secure AI control plane: discover agents, set permissions, block or redirect risky actions in real time.
- Status
- PrivateResearch map: Series B / private · New York / Tel Aviv · $113M (Jul 2026) · ~$640M
- Valuation
- ~$640M Jul 29, 2026CyberMerge Funding Tracker — estimated Source
- Latest funding
- Series B · $113M Jul 29, 2026Onyx / SecurityWeek Source
- HQ
- New York + Tel Aviv / Israel-US (Startup Radar)
- Website
- onyx.security
- Last updated
Categories
Funding & valuation
| Date | Round | Amount | Valuation | Source |
|---|---|---|---|---|
| Jul 29, 2026 | Series B | $113M | ~$640M | Onyx / SecurityWeekestimated |
Recorded valuations
- ~$640M Jul 29, 2026 — CyberMerge Funding Tracker Source
- ~$640M Jul 2026 — CyberMerge Research map · AI Agent Security Source
Research map notes
- Research map · AI Agent Security · ~$640M Series B $113M (Jul 2026, Bessemer) — last disclosed post-money ~$640M (Calcalist / Times of Israel); company did not confirm in its own PR Source (recorded Oct 1, 2026)
Latest signals
- Startup Radar · AI Security · snapshot Sep 29, 2026 29 Jul 2026: $113M Series B led by Bessemer; reported ~$640M valuation; total $153M. Source
Competitors
Same-category peers from CyberMerge Research maps, Startup Radar and What's The Use tags.
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Figures appear only as recorded in CyberMerge data, with source and date. “Undisclosed” means no published figure in our data. Editorial, not investment advice. Last updated . Spot an error? Tell the desk.