Messaging Security
Stop Teams Threats Native Controls Miss
Messaging Security uses autonomous AI to scan Microsoft Teams chats and channels for malicious URLs and weaponized attachments, auto-remediating high-risk messages and surfacing every collaboration threat in a unified Threat Log alongside email, closing the inspection gaps native tools leave behind.
Of all phishing alerts originated from collaboration tools, up 30% from the prior four months
Palo Alto Networks 2026
320 million monthly active users on Microsoft Teams.
Microsoft
The Challenge
Teams is a Second Inbox — and a Blind Spot
Why Abnormal
Immediate Teams Inspection, Unified with Email
Abnormal inspects every message and unifies the response.
Continuous API-Native Inspection
Built on Abnormal's API-native Microsoft 365 integration, Messaging Security inspects Teams content in near real time and auto-remediates malicious messages.
Unified Cross-Channel Threat Log
Teams detections appear alongside email threats in one Threat Log with full message context, so analysts can investigate cross-channel attacks without hunting across tools.
Built for Collaboration Security
Inspect, Remediate, and Investigate Teams Threats in One Place
URL and File Inspection
Monitors Teams chats and channels for suspicious URLs and high-risk attachments in near real time.
Automated Remediation
Uses admin-defined policies to automatically block access to malicious messages, offering optional sender override-with-justification.
Zero-Persistence Attachment Scanning
Scans Teams file attachments inline for high-risk file types using a zero-persistence architecture that processes files in memory without storing them.
Security on Autopilot, Now in Teams
Abnormal’s autopilot extends from email into Teams — auto-remediating malicious messages, firing high-severity alerts, and surfacing everything in one Threat Log.
Remediate Threats Your Way
Customize remediation policies for Teams messages by threat type and per-tenant.
Over 25% of the Fortune 500 Trust Abnormal AI to Make Automated, Critical Security Decisions
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Customer Voice
What Security Leaders Say
“Abnormal's automation gives our analysts time back to work on other projects, and the fact that it's API-based gives us flexibility to tie in other applications and their data.”
John Roeser
Senior Manager, Information Security, Domino's
“Our goals are to get away from being so reliant on human judgment and leverage AI to be proactive. Abnormal helps us with those goals.”
Corey Kaemming
Senior Director, Information Security, Valvoline
Abnormal powers over 4,500 customers, including over 25% of the Fortune 500.
FAQ
Related Resources
Extend Protection Beyond Email
See how Abnormal secures Microsoft Teams with the same behavioral AI.