Email Security
Abnormal Email Security
Behavioral AI cloud email security for BEC, phishing, and account takeover via API integration.
Abnormal Email Security Overview
What it does
Abnormal is an AI-native email security platform that protects enterprises from advanced email threats through behavioral analysis of identity, communication patterns, and content. Unlike traditional secure email gateways that rely on threat intelligence and static rules, Abnormal deploys via API-based architecture that connects directly to Microsoft 365 and Google Workspace without requiring MX record changes, enabling deployment in under 60 seconds while accessing 10x more behavioral data than legacy solutions.
How it works
The platform automatically baselines normal activity through its Abnormal Behavior Platform to understand identity, relationships, and communication patterns across people, vendors, apps, and tenants. This behavioral AI foundation enables precise detection of never-before-seen attacks including Business Email Compromise (BEC), vendor fraud, credential phishing, and account takeovers by identifying deviations from established patterns, with automated remediation that removes threats within milliseconds and reduces SOC workload by 95%.
Credentials and traction
Abnormal holds SOC 2 Type II, ISO 27001, ISO 27701, and ISO/IEC 42001 certifications and FedRAMP Moderate authorization. It was named a Leader in the 2025 Gartner Magic Quadrant for Email Security for the second consecutive year, positioned furthest right on the Vision axis, and carries a 99% "Would Recommend" rating on Gartner Peer Insights. Abnormal was named to the Forbes 2025 Cloud 100 and the 2025 CNBC Disruptor 50, and protects more than 3,200 organizations.
Key Capabilities
mapped to solution categoriesDetects signs of internal mailbox compromise (anomalous login geography, mail forwarding rule creation, unusual send volume), and can trigger automated session revocation.
Connects to Microsoft 365 or Google Workspace via native APIs for visibility into internal and delivered mail, enabling post-delivery clawback without changing MX records.
Builds per-user and per-vendor communication baselines from historical email patterns to detect anomalous content, timing, or sender behavior without relying on signatures or blocklists.
Separates newsletters and bulk mail from threats by routing them to dedicated folders, refining classification from how each user files messages.
Analyzes email body text semantically to detect social engineering, pretexting, and urgency manipulation in messages that contain no malicious attachments or URLs.
Automates the intake, deduplication, and triage of user-submitted suspicious emails, cross-references against in-flight campaigns and triggers retroactive remediation across all recipients.
Detects compromised or spoofed third-party supplier accounts by analyzing communication pattern deviations, domain aging, and content signals, targeting invoice fraud and payment redirection attacks.
Compliance
certificationsIntegrations
compatible toolsImplementation & support
Info last updated on May 27, 2026
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