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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.

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Enhance Microsoft 365 Security Capabilities With Tessian

Microsoft + Tessian

Working together to strengthen email security and stop advanced attacks

Seamless integration with Microsoft

Tessian layers on top of Microsoft’s traditional email security for defense in depth, giving organizations more robust email security against modern email attacks and email data loss. Using Tessian’s API integration, security teams can integrate Tessian to their M365 environment in seconds with no pre-configuration required.
Learn more about Tessian’s M365 Integration →

Move Beyond the SEG

Replace the need for your Secure Email Gateway, simplify your email security stack and eliminate the full spectrum of email threats by integrating Tessian with Microsoft 365.
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Automatically prevent advanced email threats

While Microsoft 365 will scan for known malicious payloads such as links and attachments, Tessian’s AI-based technology automatically detects and prevents the full spectrum of advanced email attacks that legacy email defenses miss.
Learn more about Tessian Defender →

Unburden overwhelmed SOC teams

Tessian automatically prevents email threats with no SOC interaction required. Emails can be automatically quarantined, or delivered to employee inboxes with contextual warning banners to free up your team’s time.
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Remediate with speed

Claw back unsafe emails from users’ inboxes, update deny lists and remediate burst attacks in a single click. Tessian integrates with Microsoft APIs to allow security teams to sync user groups, investigate email contect directly within the Tessian platform and more.
Explore The Platform →

Non-disruptive, in-the-moment security awareness coaching

Emails with the highest probability of being malicious are automatically quarantined for inspection and approval by a Security Analyst. For emails with a lower probability of being malicious, Tessian helps build a smarter security culture using in-the-moment security awareness coaching. End-users receive simple explanations of potential risks and are able to self-remediate, which also reduces security teams’ workloads.
Read Our Case Study →

Gain visibility into email risk

Our integrations with Microsoft allow security teams to sync user groups and view emails directly within the portal. Security and Risk Management leaders also gain greater visibility into risk levels and drivers at end-user, department, and company level – enabling them to take targeted actions to reduce risk.
Learn More About Reporting and Remediation →

Complete Cloud Email Security

Tessian’s Cloud Email Security Platform allows security teams to holistically manage the full spectrum of email threats.
  • Defend against email attacks
  • Protect sensitive data against loss on email
  • Respond to threats faster and more efficiently
  • Coach employees about security risks
Learn More About Outbound Protection →
WANT MORE INFORMATION?

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Enhance Microsoft 365 email security with Tessian’s context aware, AI-based email security to automatically prevent threats on email.
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Related Resources

Solution Briefs
Microsoft + Tessian: Comprehensive Email Security
Learn why organizations across industries are leveraging Tessian + Microsoft for comprehensive email security.
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2023 Gartner Market Guide for Email Security
Get insights from Gartner on how to define your enterprise email security strategy, latest market trends, top vendors and more.
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Analyst Reports
ESG Whitepaper: Closing Critical Gaps in Microsoft 365 Native Security Tools
Learn what’s missing in MS365's native email security and data loss prevention offering, specific gaps in E3 and E5 Microsoft packages, and what is needed to close gaps and strengthen protection.
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Solution Briefs
How Tessian Closes Critical DLP Gaps in Microsoft 365
Tessian augments MS365 with a behavioral modeling approach that closes critical security gaps that MS365 is unable to address.
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See Microsoft + Tessian in Action.
Tessian’s API integration seamlessly integrates with Microsoft 365 environments and requires no change to your existing email infrastructure. Deployment is fully automated with no pre-training, pre-configuration or changes to MX records.
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