Onyx Security
Onyx Security is a cybersecurity company specializing in AI Security, founded in 2024 and headquartered in Tel Aviv, Israel. It has raised $153M in equity across 4 priced rounds, employs about 117 people, and is privately held.
#3AI Security Pacesetter· Q3 2026updated Oct 11, 2026
Latest Onyx Security news and company activity
What Onyx Security did, dated — selected moves from the record, one per kind, newest first.
- Oct 2026Feature launchOnyx Brings Runtime AI Security Natively Into Claude
- Sep 2026Feature launchOnyx Security Announces Integration with TrueFoundry AI Gateway
- Sep 2026Mega roundOnyx Security Raises $113M Series B to Control Advanced AI, Quadrupling Revenue Since Stealth Launch Four Months Ago
- Jan 2026Exec change
Onyx Security Momentum score
80/ 100climbing
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Onyx Security funding
Onyx Security has raised $153M in priced equity. Its most recent round was a Series B in July 2026.
- Equity raised
- $153M4 priced rounds
- Last round
- Series BJul 2026
Onyx Security employees and hiring
Onyx Security has about 117 employees, up 14% over the last 30 days.
- Employees
- 117
- 30-day change
- +14%
- Open roles
- 0
Onyx Security competitors
Security professionals most often compare Onyx Security against Zenity, Aiceberg, and Astrix Security on cybersectools.com. 4 more are in the platform, with overlap scoring.
ranked by CybersecTools comparison demand, 90 days
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Onyx Security CISO Score
How Onyx Security reads to a CISO buyer: seven dimensions of the Mandos Framework, scored through the eyes of a security buyer.
