Why Abnormal AI matters
Abnormal AI protects more than 4,500 customers, including over 25% of the Fortune 500, per its May 2026 CNBC Disruptor 50 announcement. It raised a $250 million Series D at a $5.1 billion valuation on August 6, 2024 after passing $200 million in ARR. On August 27, 2026 it added Control Center, Email DLP Rules and AI Phishing Coach upgrades, extending its behavioral AI to outbound email and employee training.
The number4,500+ customers including more than 25% of the Fortune 500 (May 2026)
On The All Things AI 100
Listed under Security. Securing AI, and using AI to secure everything else.
Quick answers
- What does Abnormal AI do?
- Behavioral AI email and account security that detects attacks by modeling normal user behavior. Abnormal AI protects more than 4,500 customers, including over 25% of the Fortune 500, per its May 2026 CNBC Disruptor 50 announcement.
- What AI capabilities does Abnormal AI offer?
- Abnormal AI offers behavioral AI security for email and related cloud accounts that detects attacks by modeling each user's normal behavior. The platform flags phishing, business email compromise, and account takeover by scoring messages and sign-ins. It also provides an AI triage agent that helps analysts review email data loss prevention alerts.
- Why is Abnormal AI on The All Things AI 100?
- Abnormal AI is listed under Security. Securing AI, and using AI to secure everything else. 4,500+ customers including more than 25% of the Fortune 500 (May 2026).
- Where is Abnormal AI based, and who owns it?
- Abnormal AI is based in San Francisco, CA, was founded in 2018 and is private, Series D.