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Automatically stop data breaches and security threats caused by employees on email. Powered by machine learning, Tessian detects anomalies in real-time, integrating seamlessly with your email environment within minutes and starting protection in a day. Provides you with unparalleled visibility into human security risks to remediate threats and ensure compliance.

Tessian Human Layer Security for Microsoft Office 365

Tessian’s Human Layer Security platform is designed to enhance the rule-based and sandbox approaches of Microsoft 365 Defender (ATP), to detect and stop newer and previously unknown attacks from external sources, domain, brand, and service impersonations, and data loss by internal users. 


Download the solutions brief to learn…


  • Why O365 accounts are so vulnerable to attacks
  • If O365 ATP is enough to protect your email
  • Deep dive on O365 ATP protection and capabilities 
  • Tessian’s Microsoft 365 integration and what it means for your email security environment
  • More about Tessian Defender and how it catches inbound email attacks that bypass Microsoft 365
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