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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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Complete Cloud Email Security

Tessian Cloud Email Security Platform

Defend against attacks. Protect your most sensitive data. Respond to threats faster and more efficiently. Coach employees about security risks.

Trusted by World-Leading Enterprises

To Automatically Detect and Prevent Advanced Email Threats and Data Loss Incidents That Legacy Solutions Miss

Legacy Secure Email Gateways Don’t Detect Modern Threats

A Single Platform to Holistically Manage Email Threats

Tessian Cloud Email Security Platform

Eliminate Email Threats. Work Faster and More Efficiently.

Tessian Defender

Automatically protects against advanced email attacks that bypass rule-based Secure Email Gateways, Microsoft 365 and Google Workspace security controls.

Tessian Guardian

Automatically stop accidental data loss from misdelivery of emails or files before they happen and ensure the right email is sent to the right person.

Tessian Enforcer

Automatically stop sensitive information from leaving your environment via malicious or negligent data exfiltration. Stop non-compliant activity and safeguard sensitive information.

How Tessian Works

AI-Based Email Threat Detection

Tessian Integrates into Enterprise Security Environments

Tessian Cloud Email Security Platform integrates across security environments all via API. Discover how Tessian can help your security team gain more visibility, extended protection, and maximum ROI.

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See Tessian in Action

Intelligently prevent advanced threats on email, unburden your SOC team, and build a smarter security culture with Tessian.

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