Abnormal Security
Abnormal AI uses behavioral models to detect phishing, social-engineering and other human-targeted attacks across cloud email and collaboration environments.
The Company
Abnormal's platform models normal communication patterns to flag impersonation, business-email compromise and related attacks that evade rule-based filters.
It sells primarily to enterprises and has expanded its positioning from email security toward broader human-behavior security.
Why It Matters
Abnormal is a leading example of AI-native security software with clear enterprise budgets. Its performance is relevant to private cybersecurity peers using models to automate high-value analyst work.
Valuation History
What Changed
Raised $250M in Series D financing at a $5.1B valuation.
Reported continued product expansion around AI-native human-behavior security.
THE NEXT COMPANY. A CLEARER PICTURE.
Get the next breakdown.
Independent company research and perspectives on private markets, delivered through The Private Ledger on Substack.