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Irregular

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Evaluation and scoring models for AI models vulnerability-detection

Tel Aviv-Yafo, IsraelFounded 2023Cybersecurity
Valuation $250–500M Last recorded · 2025
Headcount <100 Current team size
Total funding $50–100M Disclosed equity funding
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About Irregular

Irregular, formerly known as Pattern Labs, operates as a frontier artificial intelligence security lab. Founded in 2023 by CEO Dan Lahav and CTO Omer Nevo, the company emerged from stealth with $80 million in funding from two consecutive rounds led by Sequoia and Redpoint. The founders, who met on the competitive debate circuit, bring extensive backgrounds in AI and cybersecurity to the venture. Lahav is an AI researcher formerly with IBM, while Nevo, a serial entrepreneur, previously led AI projects at Google Research.

The firm specializes in stress-testing advanced AI models for the world's leading AI laboratories, including OpenAI, Anthropic, and Google. Irregular's business is centered on research, providing its services to a select market of AI development companies and governmental bodies like the UK government. Revenue is generated through large-scale research funding from these clients, a model that has allowed the company to become profitable and generate millions in annual revenue within its first two years.

Irregular's core service involves running controlled simulations on frontier AI models before they are publicly released to identify and mitigate potential security risks. The platform tests for a range of misuse scenarios, such as bypassing antivirus software, autonomous offensive operations, and system infiltration. This process of 'red teaming' helps AI creators uncover vulnerabilities early and develop necessary safeguards. The company provides AI model creators and operators with tools, testing methodologies, and scoring frameworks to ensure the safe and responsible deployment of AI systems at scale. This work is critical in a landscape where the advanced capabilities of AI also introduce the potential for misuse in sophisticated cyberattacks.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2023
Headquarters
Tel Aviv-Yafo, Israel
Employees
14
Open positions
3
Dealroom signal
57.6/100
Industry
Security
Sector
Cybersecurity, Vulnerability Management, Risk Management, Security Analytics, Cyber threat Intelligence and detection, Core AI, Cyber incident detection response and recovery, Online Security
Technology
Artificial Intelligence, Machine Learning, Deep Learning
Business model
SaaS
Client focus
b2b

Funding history

1 recorded event

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES COther financing Sep 2025 $80M $450M Assaf Rappaport · Redpoint · Sequoia ↗
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Growth signals

Irregular website traffic

Latest recorded traffic for Irregular is 16K monthly website visits, down 38.5% over the last three months. Irregular's team grew 0% over the past year.

Latest monthly visits16K 3-month web change-38.5% 1-year team growth0%
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Similar companies

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Investments and acquisitions

Capital deployed

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Investors

3 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series B and later3 investors entered at this stage

Team profiled 2 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
🇮🇱 Israel · Tel Aviv-Yafo HQ
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Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Irregular on X, ranked by likes and reposts, corporate channels excluded.

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Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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