Funding record · 2025 / 09
Irregular raises $80M Series A for AI security
Announced 17 September 2025 · Recorded 8 September 2026 · Last verified 8 September 2026
Irregular, an AI security company based in Tel Aviv, Israel, raised $80M in a Series A announced on 17 September 2025, led by Sequoia Capital, Redpoint Ventures and CRV with 3 others. Its disclosed equity funding is now $86.3M across 2 rounds.
- Amount
- $80M
- Round
- Series A
- Announced
- 17 September 2025
- Lead investors
- Sequoia Capital, Redpoint Ventures, CRV, Audacious Ventures, Assaf Rappaport, Ofir Ehrlich
- Sources on record
- 1newswire.com
From the source
Irregular Raises $80 Million to Set the Security Standards for Frontier AI
Irregular, a frontier AI security lab, announced a Series B funding round of $80 million led by Sequoia Capital and Redpoint Ventures, with participation from Swish Ventures and angel investors including Wiz CEO Assaf Rappaport and Eon CEO Ofir Ehrlich. The company conducts controlled simulations on frontier AI models to assess misuse potential and resilience against attacks. Irregular's evaluations are cited in OpenAI's system cards for GPT-4 o3, o4 mini, and GPT-5; the UK government and Anthropic use its SOLVE framework; and Google DeepMind researchers cited the company in recent research. The company is already generating millions in revenue and partners with leading AI labs including OpenAI and Anthropic.
newswire.com · 17 September 2025 ↗The Mandos read
What the record says about Irregular
- Momentum 43 / 100 · Coolinglocked →
pillars in the platform
- 46 employees · up 9% 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.
Funding history
Irregular funding on record
Irregular has raised $86.3M in priced equity. Its most recent round was a Series A in September 2025.
Latest round on record: Series A, Sep 2025.
Irregular funding on the profile →Related rounds
Other verified cybersecurity rounds
Also in Sep 2025
Most recent five, same month
In the platform
The round is the fact. The read is the product.
Every round, investor and correction for Irregular, 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 Irregular raise in its Series A?
- Irregular raised $80M in a Series A announced on 17 September 2025.
- Who invested in Irregular's Series A?
- The round was led by Sequoia Capital, Redpoint Ventures, CRV, Audacious Ventures, Assaf Rappaport, Ofir Ehrlich.
- What does Irregular do?
- Irregular is a cybersecurity company specializing in AI Security, founded in 2023 and headquartered in Tel Aviv, Israel.
