Tessian provides unparalleled visibility into human security risks, automatically prevents security threats while continuously driving employees toward secure email behavior through in-the-moment security training.

Learn What Tessian Can Do For You

 Through a mixture of machine intelligence, deep content inspection, and stateful mapping of email relationships, Tessian turns your email data into your best defense against email security threats.

There are four modules that make up Tessian’s platform. Guardian, which prevents email from being sent to the wrong recipient. Enforcer which protects sensitive information from being leaked to non-public or unauthorized accounts. Constructor, which allows the implementation of customized security features.

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Key Modules:

First lets understand what to expect from this software in a general overview.


  • Custom email filters

  • Protects against human error and intentional leaking of sensitive information

  • Advanced machine learning offers comprehensive protection against unauthorised and misaddressed email

  • Automate email protection

  • Easy to Install with the communication patterns analysed initially in just 24 hours
  • Integrates with all existing email platforms meaning end users can continue to use emails as normal
  • Full auditing and reports of all threats detected



  • Advanced Data Loss Prevention

  • Business Email Compromise

  • Account Takeover Protection

  • Tessian Defender

  • Tessian Enforcer

  • Tessian Guardian

  • Compliance

  • Threat Visibility

  • Tessian HLS intelligence

  • Tessian Human layer risk hub

Why Choose Tessian?

Tessian is a cyber security vendor offering machine intelligent email security to protect enterprise networks. Tessian analyzes historical email data to understand normal content, context, and communication patterns for every single employee in your organization. Relationship graphs are established and continuously updated as email behavior changes over time after Tessian is deployed.

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How can I log into Tessian Email Security?
  1. Click Forgot Your Password.
  2. Type the email address you used, and then click Check Now. 
  3. Open the email from Tessian.
  4. Click change your password now.
  5. Type your new password in the New password field and retype it in the Confirm new password field.
  6. Click Update Password.
How does Tessian email security work?
Once it detects a threat, Tessian email security alerts employees and admins that an email might be unsafe. The warnings are written in easy-to-understand language and explain why an email has been flagged, which prevents the users from responding to the email or clicking on malicious links or attachments.
How can I create account with Tessian Email security?
  1. Open your browser to the following URL :- https://www.tessian.com/
  2. Click the Sign up link below the Logon fields. The Create an Account page displays.
  3. Provide the following information
  4. Click Sign up. Tessian Email Security will send an email message to the address filled out in the form.
How to Install Tessian Email Security?
Install Tessian Email security from the app store of your collaboration suite and connected apps. In just one click, the algorithm learns from your environment, quarantines existing threats, and identifies phishing, malware, data leakage, and account compromise immediately.
How can I contact with Tessian Email Security technical team?

Get technical support for Tessian Enterprise or Business products. Search the knowledge base, or access partner program and premium support services. For that you can visit https://www.tessian.com/

Is Tessian good?

Valuation terms of the new financing were not disclosed but Tim Sadler, Tessian's Email security 30-year old co-founder and chief executive officer, said in an interview that the funding valued the company at “well over $100 million.

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