Funding record · 2026 / 07
Onyx Security raises $113M Series B for AI security
Announced 29 July 2026 · Recorded 8 September 2026 · Last verified 8 September 2026
Onyx Security, an AI security company based in Tel Aviv, Israel, raised $113M in a Series B announced on 29 July 2026, led by Bessemer Venture Partners. Its disclosed equity funding is now $153M across 3 rounds.
- Amount
- $113M
- Round
- Series B
- Announced
- 29 July 2026
- Lead investor
- Bessemer Venture Partners
- Valuation
- $640Mdisclosed
- Sources on record
- 10calcalistech.com
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 Jul 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 B?
- Onyx Security raised $113M in a Series B announced on 29 July 2026.
- Who invested in Onyx Security's Series B?
- The round was led by Bessemer Venture Partners.
- What does Onyx Security do?
- Onyx Security is a cybersecurity company specializing in AI Security, founded in 2024 and headquartered in Tel Aviv, Israel.
