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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 Named Representative Vendor in the 2022 Gartner® Market Guide for Data Loss Prevention. Download →

Prevent Advanced Email Attacks that Bypass Legacy Email Security Solutions

Intelligently protect against advanced email attacks such as spear phishing, business email compromise and account takeover.

 

 

  • Intelligently Strengthen Email Security

    Automatically protects against advanced email attacks, including account takeover (ATO), business email compromise (BEC), spear phishing, ransomware, and socially engineered impersonation attacks that bypass rule-based Secure Email Gateways, Microsoft 365 and Google Workspace security controls.

  • Reduce Burden on Security Teams

    Reduce the burden on SOC teams by automating triage, investigation, remediation and risk reporting. Fully automated by machine learning, Tessian requires no manual rules or policy configurations.

  • Block Less, Educate More

    Makes phishing awareness training stick by alerting end users to threats in-the-moment with contextual warnings that help them spot threats in the future. Low false positive rates means when they see an alert, they pay attention.

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Prevent Advanced Email Attacks that Bypass Legacy Email Security Solutions
See how you can detect and prevent the advanced email attacks that legacy solutions miss, by using an Integrated Cloud Email Security solution.

Prevent The Threats That Bypass Legacy Solutions

Automatically Detect and Prevent Advanced Email Attacks in Real-Time

 

Unlike legacy solutions that are rule-based and scan for known threats, leaving organizations vulnerable to zero-day attacks, Tessian uses a behavioral based approach. Leveraging machine learning powered behavioral intelligence modeling, Tessian establishes what normal behavior looks like for each end-user so that it can automatically detect when something looks unusual. Tessian Defender deploys in seconds, learns in hours, and protects within a day.
Predict and prevent advanced email attacks:

 

Enhance Microsoft Office 365 Email Security Built-in Capabilities for Comprehensive Protection

 

Being an Integrated Cloud Email Security (ICES) solution, Tessian analyzes emails in real-time and uses behavioral intelligence modeling to automatically detect and prevent all forms of advanced social engineering attacks. Tessian integrates with Microsoft Office 365 via API to provide a faster and easier deployment and protection.

 

  • Tessian Defender now deploys in seconds, protects in hours and extends protection across any device. Automatically starts protecting without requiring email rerouting or changes to MX records.
  • Improved protection for end-users while offering in-the-moment coaching. Tessian’s soft quarantine – or user quarantine – approach uniquely protects organizations from being compromised by an end user accidentally opening a malicious attachment or clicking a URL before they’ve had an opportunity to determine the email safe.
  • Low management overhead with no ongoing management aside from adding new users to Directory Groups. No need to upgrade as you are always on the latest version. Admin quarantine automatically quarantines known malicious emails enabling SOC teams to quickly act on risky phishing attacks.

Deliver Security Awareness Training that Resonates At Scale

 

Emails with the highest probability of being malicious are automatically quarantined for inspection by the security admin. For emails with a lower probability of being malicious, Tessian warns end-users of the potential threat in-the-moment, clearly explaining why the threat was flagged and advice on what action to take via contextual warning messages. Low-false positive rates means alerts are non-disruptive to people’s workflows.
This real-time intervention helps reduce security teams’ workloads as employee self-remediate threats and it builds smarter security cultures, as click-through rates trend down and people become better at spotting threats on email over time.

Enable SOC Teams to Quickly Prevent, Mitigate, and Remediate Advanced Email Attacks

 

SOC teams can readily view top threats, most targeted end users, and detailed breakdown of anomalous events detected by Tessian Defender. And, with robust remediation tools, admins can quarantine, clawback unsafe emails from people’s inboxes, or update blocklists to prevent similar threats with a single click.
Teams can future proof defenses using shared threat intelligence and automatically block deny-listed domains across the Tessian ecosystem – no rules required. With Tessian, you can also benchmark impersonation risk levels against industry peers, 

 

Tessian Defender secures all enterprise email environments.
Tessian is committed to helping our customers protect their people and meet their compliance needs. You can directly integrate with your SIEM/SOAR via a RESTful HTTP API.
View Tessian's integrations, compatibility and partnerships →

Related Resources

  • Defender Product Datasheet

    Tessian Defender is a comprehensive advanced email threat prevention solution that automatically prevents a wide range of attacks that bypass Secure Email Gateways, while providing in-the-moment security awareness coaching to drive end-users toward secure email behavior.

  • Stop External Account Takeover

    Email security is no longer limited to securing an organization’s own email platform. There is a growing trend where attackers gain access to the email account of a trusted sender, impersonate the sender and use it to conduct fraudulent activities.

  • Tessian Defender Threat Catalogue

    Learn how Tessian Defender detects and prevents advanced email attacks that slip right past native email tools and legacy solutions.

     

     

Prevent Inbound Email Attacks

Level-Up Your Advanced Email Threat Prevention With Tessian Defender
Book a demo to see how Tessian Defender detects advanced inbound email attacks that bypass legacy email security solutions.