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Company Snapshot
Onyx Security is a Enterprise SaaS company, based in Tel Aviv, Israel, founded 2024 by Bar Kogan, Gil Elbaz. Latest valuation $640M (As of Jul 30, 2026, SecurityWeek). Total funding $153M (As of Jul 30, 2026).
Recent changes
- Aug 3, 2026Aug 3, 2026Onyx Security Hits $640M Valuing AI Agent Governance Pulse story
- Jul 30, 2026Jul 30, 2026Raised $113M Series B at a ~$640M valuation SecurityWeek
- Jul 30, 2026Jul 30, 2026First reported total funding: $153M SecurityWeek
- Jul 30, 2026Jul 30, 2026First reported valuation: $640M SecurityWeek
- Jul 30, 2026Jul 30, 2026New investor: FirstMark Capital SecurityWeek
Earlier changes (7)
- Jul 30, 2026Jul 30, 2026New investor: TCV SecurityWeek
- Jul 30, 2026Jul 30, 2026New investor: Vintage Investment Partners SecurityWeek
- Jul 30, 2026Jul 30, 2026New investor: Bessemer Venture Partners SecurityWeek
- Jul 29, 2026Jul 29, 2026Onyx Security Raises $113M Series B With Bessemer Pulse story
- Mar 12, 2026Mar 12, 2026Raised $40M Seed SecurityWeek
- Mar 12, 2026Mar 12, 2026New investor: Cyberstarts SecurityWeek
- Mar 12, 2026Mar 12, 2026New investor: Conviction SecurityWeek
Funding History
2 events · sources dated per row| Date | Event | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| Jul 30, 2026 | Series B | $113M | ~$640M | Bessemer Venture PartnersCyberstartsTCVConvictionFirstMark CapitalVintage Investment PartnersQuantumLightG Squared outlined = lead | SecurityWeek |
| Mar 12, 2026 | Seed | $40M | — | SecurityWeek |
Investors
Latest Pulse
- Aug 3, 2026AI Agent Governance Is Becoming Its Own Budget LineGroundcover, Glow and Onyx Security have all reached nine- or ten-figure valuations within months of launch by treating AI-agent oversight as a distinct enterprise budget line rather than a feature bolted onto existing security or observability tools.→
- Aug 3, 2026Onyx Security Hits $640M Valuing AI Agent GovernanceOnyx Security raised $113M in a Series B at a $640M valuation just four months after emerging from stealth, governing what autonomous agents are allowed to do once inside enterprise systems.→
- Jul 29, 2026Onyx Security Raises $113M Series B With BessemerOnyx Security closed a $113 million Series B led by Bessemer Venture Partners, adding to a wave of nine-figure cybersecurity rounds closing the same week as ThreatLocker's $190 million raise.→
Coverage Timeline
newest firstAll Coverage
AI
AI Agent Governance Is Becoming Its Own Budget Line
Groundcover, Glow and Onyx Security have all reached nine- or ten-figure valuations within months of launch by treating AI-agent oversight as a distinct enterprise budget line rather than a feature bolted onto existing security or observability tools.
FUNDING
Onyx Security Hits $640M Valuing AI Agent Governance
FUNDING
Onyx Security Hits $640M Valuing AI Agent Governance
Onyx Security raised $113M in a Series B at a $640M valuation just four months after emerging from stealth, governing what autonomous agents are allowed to do once inside enterprise systems.
FUNDING
Onyx Security Raises $113M Series B With Bessemer
FUNDING$113M Series B
Onyx Security Raises $113M Series B With Bessemer
Onyx Security closed a $113 million Series B led by Bessemer Venture Partners, adding to a wave of nine-figure cybersecurity rounds closing the same week as ThreatLocker's $190 million raise.
Related Companies
Shared investors
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Sources & methodologyshow
Where these figures come from
- SecurityWeekValue Add VC data3 facts
- SecurityWeekValue Add VC data1 fact
Figures are labelled Reported (a source states it), Estimated, Derived (computed from other facts) or Rumored (in talks / unconfirmed). Rumors never replace a confirmed figure. Each figure keeps its own as-of date; history is preserved rather than overwritten.