Abnormal Security vs Wiz
Side-by-side comparison of AI visibility scores, market position, and capabilities
San Francisco AI email security (private, $5.1B valuation); $250M Series D (Wellington Management), behavioral AI detects novel BEC/phishing in Microsoft 365/Google Workspace competing with Proofpoint and Microsoft Defender.
About
Abnormal Security is a San Francisco, California-based AI-native cloud email security company — founded in 2018 by Evan Reiser (CEO) and Sanjay Jha (CTO), both former Google engineers — using behavioral AI to detect and block business email compromise (BEC), phishing, ransomware, account takeovers, and AI-generated social engineering attacks against enterprise email environments (Microsoft 365, Google Workspace) through approximately 600 employees. The company raised a $250 million Series D funding round at a $5.1 billion valuation, led by Wellington Management with participation from existing investors Greylock Partners, Menlo Ventures, Insight Partners, and the CrowdStrike Falcon Fund — bringing Abnormal's total funding to approximately $580 million. Abnormal Security's approach to email security is fundamentally different from traditional signature and rule-based approaches: rather than scanning emails for known malware hashes or suspicious links against threat databases, Abnormal's AI models each employee's historical communication behavior (who they email, how they write, what times they send messages, what financial requests they make) and flags deviations from established baselines as anomalies requiring investigation — enabling detection of novel BEC attacks that have no prior signature, AI-generated phishing that passes link reputation checks, and vendor invoice fraud that impersonates legitimate suppliers.
Cloud security platform acquired by Google (NASDAQ: GOOGL) for $32B in March 2025 — cybersecurity's largest-ever acquisition; grew from $0 to $500M ARR in 4 years with agentless Security Graph competing with Orca.
About
Wiz is a New York-based cloud security platform — acquired by Alphabet/Google (NASDAQ: GOOGL) in a $32 billion deal announced in March 2025 (the largest cybersecurity acquisition in history) — that had raised $900 million at a $12 billion valuation from Andreessen Horowitz, Lightspeed, Sequoia, and Index Ventures before the acquisition. Founded in 2020 by Assaf Rappaport and four co-founders (former Unit 8200 cyber intelligence officers and Microsoft Azure security alumni), Wiz grew from $0 to $500 million ARR in four years — the fastest SaaS company to reach $500M ARR in history — by providing agentless cloud security visibility across AWS, Azure, GCP, and Kubernetes.
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