← Stackzilla.io

Abnormal Security

Category: Security Tools   Tags: email security, phishing protection, BEC, account takeover, AI security, microsoft 365, google workspace, enterprise security

Overview

Abnormal Security is an AI-powered cloud email security platform that protects organizations from advanced email threats including phishing, business email compromise (BEC), account takeover, and socially engineered attacks. It integrates directly with Microsoft 365 and Google Workspace, using behavioral AI to establish a baseline of normal communication patterns for every employee, vendor, and partner — then automatically detecting and blocking anything that deviates from that baseline. Unlike traditional email security tools that rely on signature-based detection, Abnormal focuses on understanding human behavior and relationship context to catch attacks that would otherwise slip through.

Pros

• Deploys in minutes with no MX record changes — connects via API to Microsoft 365 or Google Workspace
• Catches sophisticated attacks (BEC, vendor impersonation, account takeover) that traditional email gateways miss
• Autonomous remediation removes malicious emails from all inboxes automatically, including already-delivered messages
• Dramatically reduces SOC workload by auto-triaging user-reported suspicious emails
• Works as a complementary layer alongside existing tools like Proofpoint or Microsoft Defender
• Provides clear attack narratives explaining exactly why an email was flagged
• Continuously learns normal communication patterns across the entire organization

Cons

• Enterprise pricing — not accessible for small businesses or startups
• Designed as a complementary layer, not a full replacement for a Secure Email Gateway
• Focused exclusively on email — does not protect against phishing via SMS, voice calls, or collaboration tools
• Behavioral baseline takes weeks to fully mature as it learns normal patterns
• Limited integration options — only supports Microsoft 365 and Google Workspace (no on-premises email)
• Less granular manual control for security teams that want to write custom detection rules
• Some organizations report the analytics dashboard lacks depth compared to legacy SEG vendors

Relevant Job Roles

Chief Information Security Officer (CISO), Email Security Engineer, IT Security Administrator, Information Security Manager, Security Analyst, Security Operations Analyst (SOC)

Related Skills

Email security administration, Google Workspace security, Incident response, Microsoft 365 security, Phishing analysis and investigation, SIEM integration and alerting, Security operations (SOC), Threat detection and behavioral analysis

Official Website

https://abnormalsecurity.com

View full interactive page on Stackzilla →