Funding record · 2026 / 03
Onyx Security raises $35M Series A for AI security
Announced 12 March 2026 · Recorded 8 September 2026 · Last verified 8 September 2026
Onyx Security, an AI security company based in Tel Aviv, Israel, raised $35M in a Series A announced on 12 March 2026, led by Conviction, Cyberstarts and QuantumLight. Its disclosed equity funding is now $153M across 3 rounds.
- Amount
- $35M
- Round
- Series A
- Announced
- 12 March 2026
- Lead investors
- Conviction, Cyberstarts, QuantumLight
- Sources on record
- 1onyx.security
From the source
Onyx Security publicly introduced as the secure AI control plane for enterprises, already trusted by Fortune 500 companies
The featured blog article 'Introducing Onyx Security: The Secure AI Control Plane for Enterprises' dated 12 March 2026 describes the platform as already trusted by Fortune 500 companies and positions it as a single platform to oversee autonomous AI agents.
onyx.security · 12 March 2026 ↗The Mandos read
What the record says about Onyx Security
- Momentum 42 / 100 · Coolinglocked →
pillars in the platform
- 83 employees · up 1% last monthlocked →
history and breakdowns in the platform
- Exit Readiness: Lowlocked →
Tested against 751 past exits in the Mandos record: 43% sat in Watch or Elevated 2 years before. Companies in Elevated exited at 3.1× the record's rate.
- Buyers most often compare Onyx Security with Aiceberg, Zenity and raxIT Labs and 6 morelocked →
the full set in the platform
Funding history
Onyx Security funding on record
Onyx Security has raised $153M in priced equity. Its most recent round was a Series B in July 2026.
Latest round on record: Series B, Jul 2026.
Onyx Security funding on the profile →Related rounds
Other verified cybersecurity rounds
Also in Mar 2026
Most recent five, same month
In the platform
The round is the fact. The read is the product.
Every round, investor and correction for Onyx Security, the competitors buyers weigh it against, hiring by department, and an alert when the next thing happens.
The same record answers in Claude, ChatGPT and Cursor through the Mandos MCP server.
The Mandos Brief
Cybersecurity funding, deals and moves, every Monday.
FAQ
Questions people ask
- How much did Onyx Security raise in its Series A?
- Onyx Security raised $35M in a Series A announced on 12 March 2026.
- Who invested in Onyx Security's Series A?
- The round was led by Conviction, Cyberstarts, QuantumLight.
- What does Onyx Security do?
- Onyx Security is a cybersecurity company specializing in AI Security, founded in 2024 and headquartered in Tel Aviv, Israel.
