Last updated 2026-09-23
- Raised $80M Series A led by Sequoia Capital, Sep 2025
Total raised
$80.0M
Last: A Round 2025-09
Stage
Series A
Founded
2023
Headcount
125
HQ
Tel Aviv, Israel
Sector
Cyber Security
About
Irregular is an Israeli frontier AI security lab based in Tel Aviv, founded in 2023. The company specializes in red teaming, safety evaluations, and misuse testing on advanced artificial intelligence models. It builds next-generation defenses through high-fidelity research platforms that simulate and monitor real-world AI security scenarios, identifying vulnerabilities prior to public deployment. Irregular works with leading AI labs like OpenAI, Anthropic, Google DeepMind, and Meta, as well as government agencies, to mitigate cybersecurity risks posed by advanced AI models and protect them from cyberattacks. The company was formerly known as Pattern Labs.
Funding history · 1 round · $80.0M total
1 event/round · $80.0M Total Funding: $80.0M in Private Equity
Sep 2025
★ Sequoia Capital★ Redpoint VenturesSequoiaRedpointPitchdriveSFC CapitalOmri CasspiOfir EhrlichY CombinatorFounders FundGood VenturesSwish VenturesAssaf RappaportPareto HoldingsStephen PankhurstJodi Sherman JahicTEN Eleven VenturesDeepak Jeevan KumarDell Technologies CapitalCoefficient Giving (formerly Open Philanthropy)
Offices
Tel Aviv, Israel · HQ / main office
Q&A
- What is Irregular's primary focus?
- Irregular is a frontier AI security lab that specializes in red teaming, safety evaluations, and misuse testing on advanced artificial intelligence models.
- When was Irregular founded and where is it headquartered?
- Irregular was founded in November 2023 and is headquartered in Tel Aviv, Israel.
- What was Irregular formerly known as?
- Irregular was formerly known as Pattern Labs.
- Which types of organizations does Irregular work with?
- Irregular works with leading AI labs such as OpenAI, Anthropic, Google DeepMind, and Meta, as well as government agencies.
- How much funding has Irregular raised to date?
- Irregular has raised a total of $80,000,000 USD.
- When did Irregular complete its Series A funding round and who were the lead investors?
- In September 2025, Irregular completed an $80,000,000 Series A round led by Sequoia Capital.
- How many employees does Irregular have?
- Irregular has 51-200 employees.
- Who are the founders of Irregular?
- The founders of Irregular are Dan Lahav (CEO) and Omer Nevo (CTO).
Team · 2
Dan Lahav
Founder · CEO
Omer Nevo
Founder · CTO
Sectors & technology
Primary sector
Cyber Security
Technologies
Target customers
Business model
B2BSecurity as a ServiceResearch Funding
Tags
ai-securitycybersecurityartificial-intelligencered-teamingsafety-evaluationsmisuse-testing
Full data — links, identifiers, deals & radar signals (jobs, patents, research, more)
External links
| Website | irregular.com |
|---|---|
| linkedin.com/company/irregular-ai |
Identifiers & details
| Legal name | IRREGULAR APPS LTD |
|---|---|
| Founded | 2023-11 |
| Employees (exact) | 125 |