Onyx Security
Onyx Security, founded in 2024 in Tel Aviv, Israel, provides a security and governance platform for enterprise AI agents.
Position in SVTR
Snapshot 2026-10-25- Startup SignalsTop 10%↓9
- Security & Compliance#9of 152
- AgentsTop 10%
- InferenceTop 50%
About
Onyx Security, founded in 2024 in Tel Aviv, Israel, provides a security and governance platform for enterprise AI agents. The company has closed a $35 million Series A round.
Full tier & rationale — an SVTR Intelligence benefit
Capital graph
Funding history
- 2026-07-30Series B$113M
Investors · Bessemer Venture Partners, Cyberstarts, TCV, Conviction, FirstMark Capital, Vintage Partners, QuantumLight Capital, G SquaredSource · securityweek.com ↗
- 2026-03Series A$35M
Investors · ConvictionSource · SVTR Weekly #148 ↗
Comparable companies· by market
This company
BusinessLatest roundTotal raisedDate- Onyx Security
Secure AI control plane for the agentic era that tracks AI agent decisions in real time across SaaS/cloud/endpoints, manages permissions, monitors behavior and blocks anomalous or malicious actions.
Series B · $153M · 2026-07
$153M
United States
BusinessLatest roundTotal raisedDate- Ent Security
Endpoint security platform that blocks risky actions by employees and AI agents in real time before execution
Seed · $100M · 2026-06
$100M - Reco
A security governance platform for enterprise SaaS and AI agents
Series B · $140M · 2026-09
$140M - Cymphony
Enterprise identity and data security platform for the AI agent era, using an "employee security graph" to unify access permissions and data risk for employees and non-human identities
Series A · $30M · 2026-09 · Valuation $100M
$30MValuation $100M
Europe
BusinessLatest roundTotal raisedDate- Hadrian
Offensive security platform using AI agents to continuously map external attack surfaces and automatically validate exploitable vulnerabilities
Undisclosed · $65M · 2026-10
$65M - NeuralTrust
AI agent security platform for enterprises to discover, monitor and govern autonomous AI agents and block malicious interactions
Seed · $20M · 2026-06
$20M - Archestra
Data access/modification/sharing control software for securely connecting autonomous AI agents to internal enterprise systems
$14M · 2026-06
$14M
Other / unspecified
BusinessLatest roundTotal raisedDate- NewCore
Enterprise identity security platform for the agent era, unifying identity, permission and access lifecycle management for employees, machines and AI agents
Seed · $66M · 2026-06 · Valuation $300M
$66MValuation $300M - Neo Security
Security platform unifying endpoint, network and identity
Series A · $75M · 2026-07
$75M - Rig Security
Identity security platform for AI agents; detects agents running on employee identities and enforces policy in real time
Seed · $12M · 2026-09
$12M
Confirmed rounds only. Matched on subsector, sector, stage and funding scale — each verifiable on the company profiles.
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Investors that may fit
Accel
21 Security & Compliance deals in the last 24 months · 12 at a nearby stage · 1 in Middle East
Request intro →Andreessen Horowitz
18 Security & Compliance deals in the last 24 months · 11 at a nearby stage · 2 in Middle East
Request intro →Greylock Partners
14 Security & Compliance deals in the last 24 months · 7 at a nearby stage · 2 in Middle East
Request intro →Ten Eleven Ventures
14 Security & Compliance deals in the last 24 months · 6 at a nearby stage · 5 in Middle East
Request intro →Bain Capital Ventures
13 Security & Compliance deals in the last 24 months · 9 at a nearby stage · 3 in Middle East
Request intro →Sequoia Capital
12 Security & Compliance deals in the last 24 months · 5 at a nearby stage · 1 in Middle East
Request intro →Ranked by each firm’s deals in this sector over the last 24 months, weighted by nearby stage and shared geography. Indicative only — no rating judgment.