Inbound and Outbound Email Security

Tessian automatically prevents social engineering attacks, data exfiltration, and emails being sent to the wrong person.

Tessian Included in Gartner's Market Guide for Email Security.

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Tessian is built with security, privacy, and usability in mind.

Automated threat prevention and remediation.

Contextual machine learning (ML) understands human behavior on email, can predict normal and abnormal email activity, and can start preventing the most advanced threats within 24 hours of deployment. No pre-configuration required.

Effortless and non-disruptive.

Easy to deploy, to manage, and to integrate with any email environment and enterprise security applications. You can set it and forget it, or partner with Tessian’s dedicated team of security experts to optimize for your environment. Tessian is invisible to employees until they need it.

Holistic view of human behavior.

Tessian maps employee email activity and builds unique security identities for every individual. Tessian dashboards and analytics surface these insights and give full visibility into threats you’ve never been able to detect before. Now you can predict and preempt security risks caused by unsafe human behavior.

Make people your strongest defense.

Tessian warnings act as in-the-moment training for employees, continuously educating them about threats, reinforcing your policies, and nudging them toward safe behavior. Automatically build individualized policies at scale to reduce high-risk email use and track trends in unsafe activity over time.


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Deploy Tessian today and achieve automatic protection in 24 hours.