How much funding has Onyx Security raised?

Onyx Security has raised $153M in total. Its most recent round was a Series B in July 2026.

How many people work at Onyx Security?

About 83, up 1% over the last 30 days.

Who are Onyx Security's competitors?

Troj AI, Verax, and TestSavant are among the closest in AI Security. The full competitive set, with overlap scoring, is in the platform.

Onyx Security

AI SecurityTel Aviv, Israelfounded 2024private

Onyx Security is a cybersecurity company specializing in AI Security, founded in 2024 and headquartered in Tel Aviv, Israel. It has raised $153M in total funding, employs about 83 people, and is privately held.

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updated Aug 3, 2026

The record

What Onyx Security did, dated.

Jul 2026Mega roundOnyx Security Announces Advanced AI Control Layer with TCV Investment
Jul 2026Mega roundOnyx Security raises $113M Series B
Jun 2026Feature launchOnyx Security Integrates with Claude Compliance API
Jan 2026Exec changeMark Loewenstein joined as VP of Marketing

selected events only — the full dated record (25 events since Nov 2025) lives in the platform

Momentum

46 out of 100.

Momentum blends hiring, funding, traffic and sentiment into one score, recomputed daily. The score is free; the pillars behind it unlock in the platform.

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Products

What Onyx Security sells.

Onyx PlatformAI control plane for enterprise AI agent security, governance, and observability.Details ↗

In the platform

The other 440 data points.

Funding historyevery round, every lead investor
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security

Similar in AI Security

FAQ

Common questions about Onyx Security.

How much funding has Onyx Security raised?: Onyx Security has raised $153M in total. Its most recent round was a Series B in July 2026.
How many people work at Onyx Security?: About 83, up 1% over the last 30 days.
Who are Onyx Security's competitors?: Troj AI, Verax, and TestSavant are among the closest in AI Security. The full competitive set, with overlap scoring, is in the platform.