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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

Email Security for
"OH SH*T" Moments

Protect Your Employees From Themselves.

Prevent Data Exfiltration. Stop Phishing Attacks. Save Time.

The Tessian Human Layer Security Platform Automatically Stops Data Breaches Caused By Employees on Email.

  • Automated Threat Prevention
  • Threat Visibility
  • In-The-Moment Training
  • Automated Threat Prevention
  • Threat Visibility
  • In-The-Moment Training
Tessian provides unparalleled visibility into human security risk and automatically prevents security threats while continuously driving employees toward secure email behavior through in-the-moment security training.


Our Human Layer Security platform stops:
  • Phishing, Impersonation, and Account Takeover
  • Business Email Compromise
  • Data Exfiltration
  • Misdirected Emails
  • Misattached Files
  • Accidental Data Loss

The Tessian Advantage

Tessian’s Human Layer Security platform spans the full spectrum of email security, from inbound threats to outbound data loss prevention, providing coverage for the most critical phases of the email cyber attack kill chain.

Leading Organizations Across All Industries Trust Tessian for their Email Security Needs

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Recognized by the Experts:
Industry thought leaders from Gartner, Forrester, and 451 Research are talking about how Tessian delivers more effective inbound and outbound email security over legacy SEG and DLP solutions.

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Explore the Human Layer Security Platform Modules

Read the Latest Analyst Recognition from Tessian

New Analyst Recognition

Tessian Named as Representative Vendor in the 2021 Gartner Market Guide for Data Loss Prevention


The latest Gartner Market Guide for Data Loss Prevention states, “The enterprise DLP market is mature, but integrated DLP and cloud-provider-native DLP solutions offer emerging capabilities that are much needed by security and risk management leaders starting DLP programs. This research offers guidance on market trends and their impact on data security strategies.”


Get your complimentary copy of the research to find out why Gartner has named Tessian a Representative Vendor in the 2021 Gartner Market Guide for Data Loss Prevention.



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Prevent inbound and outbound security threats impossible to detect with legacy email security controls. Deploy Tessian today and achieve automatic protection in 24 hours.