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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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Tessian Resources Hub

Analyst Reports

Gartner Market Guide for Email Security 2021

Get insights from Gartner on how to define your enterprise email security strategy, latest market trends, top vendors and more.
Analyst Reports

Forrester Study: Take Control of Email Security with Human Layer Security Protection

Worried if your enterprise email security stack is enough for today’s advanced attack landscape? Read this study by Forrester Consulting to understand why Human Layer Security could be the missing link.
Product Datasheets

Tessian Human Layer Security Platform Overview

Tessian is the world’s only Human Layer Security platform that automatically stops data breaches and security threats caused by employees on email. This overview will give you a thorough understanding of the key features and benefits of each product module of Tessian’s HLS platform.
Solution Briefs

How Tessian Closes Critical DLP Gaps in Microsoft 365

Tessian augments MS365 with a human-centric, behavioral approach to understand the context of human actions on email, and close critical security gaps that MS365 is unable to address.
Whitepaper
Tessian Platform Architecture
Solution Brief
Microsoft + Tessian: Comprehensive Email Security
Video
Tessian Human Layer Security Platform Overview Video
Product Datasheets See all datasheets
Product Datasheets
Tessian Human Layer Security Platform Overview
Tessian is the world’s only Human Layer Security platform that automatically stops data breaches and security threats caused by employees on email. This overview will give you a thorough understanding of the key features and benefits of each product module of Tessian’s HLS platform.
Product Datasheets
Tessian Defender – Prevent Inbound Email Attacks that Bypass Legacy Email Security Solutions
Learn more about how Tessian Defender uses stateful machine learning to detect and prevent inbound email attacks like spear phishing and business email compromise.
Product Datasheets
Tessian Human Layer Risk Hub – Human Layer Risk Management, Made Easy
Tessian’s Human Layer Risk Hub enables security and risk management leaders to deeply understand their organization’s email security posture by providing granular visibility and reporting into individual user risk levels and drivers.
Product Datasheets
Tessian HLS Intelligence – Lower risks posed by employees’ poor security decisions on email
Download the PDF and learn how Tessian HLS Intelligence can transform your email security stack with automated insights, investigation and remediation.
Product Datasheets
Tessian Guardian – Stop Accidental Data Loss Caused by Misdirected Emails and Misattached Files
Download the product datasheet to learn how Tessian Guardian automatically prevents data loss caused by misdirected emails.
Product Datasheets
Tessian Enforcer – Automatically Stop Sensitive Data Exfiltration Over Email
Automatically prevent well intentioned or malicious data exfiltration, due to employees sending sensitive emails to non-business, personal email accounts, with Enforcer. Detect with better accuracy than traditional DLPs. No rules required.
Product Datasheets
Tessian Human Layer Security Platform Overview
Tessian is the world’s only Human Layer Security platform that automatically stops data breaches and security threats caused by employees on email. This overview will give you a thorough understanding of the key features and benefits of each product module of Tessian’s HLS platform.
Product Datasheets
Tessian Defender – Prevent Inbound Email Attacks that Bypass Legacy Email Security Solutions
Learn more about how Tessian Defender uses stateful machine learning to detect and prevent inbound email attacks like spear phishing and business email compromise.
Product Datasheets
Tessian Human Layer Risk Hub – Human Layer Risk Management, Made Easy
Tessian’s Human Layer Risk Hub enables security and risk management leaders to deeply understand their organization’s email security posture by providing granular visibility and reporting into individual user risk levels and drivers.
Product Datasheets
Tessian HLS Intelligence – Lower risks posed by employees’ poor security decisions on email
Download the PDF and learn how Tessian HLS Intelligence can transform your email security stack with automated insights, investigation and remediation.
Product Datasheets
Tessian Guardian – Stop Accidental Data Loss Caused by Misdirected Emails and Misattached Files
Download the product datasheet to learn how Tessian Guardian automatically prevents data loss caused by misdirected emails.
Product Datasheets
Tessian Enforcer – Automatically Stop Sensitive Data Exfiltration Over Email
Automatically prevent well intentioned or malicious data exfiltration, due to employees sending sensitive emails to non-business, personal email accounts, with Enforcer. Detect with better accuracy than traditional DLPs. No rules required.
Data Loss Prevention (DLP) Resources See all DLP Resources
Product Tours See all Videos
Videos
Tessian Human Layer Security Platform Video Overview
Tessian’s Human Layer Security platform uniquely addresses the risks posed by employees by providing comprehensive visibility into human layer risks, understanding human behavior and automatically preventing security threats on email that legacy email security and DLP solutions can’t detect.
Videos
Tessian Defender Product Tour | Prevent Inbound Email Attacks that Bypass Legacy Email Security Solutions
Tessian Defender is a comprehensive inbound email security solution that prevents a wide range of attacks that bypass Secure Email Gateways. See how you can turn your email data into your biggest defense against inbound email security threats.
Videos
Tessian Human Layer Risk Hub Product Tour | Human Layer Risk Management, Made Easy.
Tessian enables security and risk management leaders to deeply understand their organization’s email security posture by providing granular visibility and reporting into individual user risk levels and drivers. Find out how Tessian Human Layer Risk Hub can improve your security posture.
Videos
Tessian Human Layer Security Intelligence | Compliance as an Email Risk
Tessian protects organizations from compliance breaches by preventing misdirected emails, malicious data exfiltration, and accidental data loss with Human Layer Security. Learn How.
Videos
Advance your Data Loss Prevention Strategy with Automatic and Custom Policies | Tessian Architect Product Tour
Tessian Architect is a powerful policy engine for real-time email data loss prevention. It features a combination of the classic elements of DLP policies, as well as intelligent policies that provide custom protection against sensitive data loss.
Videos
Tessian Guardian Product Tour | Is Email DLP Possible? How to Reduce Data Exfiltration by 84% at your Company
Tessian Guardian tackles the problem of misdirected emails by automatically preventing sensitive information being accidentally emailed to the wrong person. Keep your organization’s data secure with Tessian Guardian.
Videos
Tessian Defender Product Tour | Account Takeover is an Issue, Your SEG is Not Enough
Tessian Defender is a comprehensive inbound email security solution that prevents a wide range of attacks that bypass Secure Email Gateways. See how you can turn your email data into your biggest defense against inbound email security threats.
Videos
Tessian Human Layer Security Platform Video Overview
Tessian’s Human Layer Security platform uniquely addresses the risks posed by employees by providing comprehensive visibility into human layer risks, understanding human behavior and automatically preventing security threats on email that legacy email security and DLP solutions can’t detect.
Videos
Tessian Defender Product Tour | Prevent Inbound Email Attacks that Bypass Legacy Email Security Solutions
Tessian Defender is a comprehensive inbound email security solution that prevents a wide range of attacks that bypass Secure Email Gateways. See how you can turn your email data into your biggest defense against inbound email security threats.
Videos
Tessian Human Layer Risk Hub Product Tour | Human Layer Risk Management, Made Easy.
Tessian enables security and risk management leaders to deeply understand their organization’s email security posture by providing granular visibility and reporting into individual user risk levels and drivers. Find out how Tessian Human Layer Risk Hub can improve your security posture.
Videos
Tessian Human Layer Security Intelligence | Compliance as an Email Risk
Tessian protects organizations from compliance breaches by preventing misdirected emails, malicious data exfiltration, and accidental data loss with Human Layer Security. Learn How.
Videos
Advance your Data Loss Prevention Strategy with Automatic and Custom Policies | Tessian Architect Product Tour
Tessian Architect is a powerful policy engine for real-time email data loss prevention. It features a combination of the classic elements of DLP policies, as well as intelligent policies that provide custom protection against sensitive data loss.
Videos
Tessian Guardian Product Tour | Is Email DLP Possible? How to Reduce Data Exfiltration by 84% at your Company
Tessian Guardian tackles the problem of misdirected emails by automatically preventing sensitive information being accidentally emailed to the wrong person. Keep your organization’s data secure with Tessian Guardian.
Videos
Tessian Defender Product Tour | Account Takeover is an Issue, Your SEG is Not Enough
Tessian Defender is a comprehensive inbound email security solution that prevents a wide range of attacks that bypass Secure Email Gateways. See how you can turn your email data into your biggest defense against inbound email security threats.
Research & Reports Explore All Research & Reports
Research & Reports
Why Do People Make Mistakes That Compromise Cybersecurity?
Learning the psychology behind human error to understand how to prevent mistakes from turning into security breaches.
Research & Reports
Reclaiming Hours Lost to Cybersecurity Incidents
We surveyed hundreds of CISOs to find out how much time they spend putting out fires, and what they'd do if they had that time back. Check out the research report.
Research & Reports
Spear Phishing Threat Landscape 2021
Over 12 months, Tessian detected nearly 2,000,000 spear phishing emails that slipped past SEGs. Learn what tactics bad actors or leveraging and how to protect your organization.
Research & Reports
How to Hack a Human
To find out just how vulnerable people and businesses are, we surveyed 4,000 employees and interviewed ten hackers.
Research & Reports
Have Employees Picked Up Bad Security Behaviors While Working From Home?
Find out how remote and hybrid working structures will impact cybersecurity, what threats are top of mind for security leaders, and how employees' behavior has changed.
Research & Reports
The Psychology of Human Error
Fascinating Insights from academics on why do people make mistakes and why this puts your data at risk. Understand the mistakes that compromise your company’s cybersecurity by learning the psychology behind human error, businesses can better understand how to prevent mistakes from happening before they turn into breaches.
Research & Reports
Opportunity in Cybersecurity Report 2021
This year, we followed up with women working in the field and... things have changed. For the better.We also went straight to the source, and probed recent grads about their potential interest in pursuing a career in cyber.
Research & Reports
The State of Data Loss Prevention
Read our latest research and learn why traditional DLP solutions are failing, and what the future looks like.
Research & Reports
Why the Threat of Phishing Can’t Be ‘Trained Away’
Two thirds of employees are not regularly trained about cyber threats on email. What's more, a significant percentage of those that are trained do not remember what they are taught. So, to what extent can training really stop people falling for phishing attacks?
Research & Reports
Why Do People Make Mistakes That Compromise Cybersecurity?
Learning the psychology behind human error to understand how to prevent mistakes from turning into security breaches.
Research & Reports
Reclaiming Hours Lost to Cybersecurity Incidents
We surveyed hundreds of CISOs to find out how much time they spend putting out fires, and what they'd do if they had that time back. Check out the research report.
Research & Reports
Spear Phishing Threat Landscape 2021
Over 12 months, Tessian detected nearly 2,000,000 spear phishing emails that slipped past SEGs. Learn what tactics bad actors or leveraging and how to protect your organization.
Research & Reports
How to Hack a Human
To find out just how vulnerable people and businesses are, we surveyed 4,000 employees and interviewed ten hackers.
Research & Reports
Have Employees Picked Up Bad Security Behaviors While Working From Home?
Find out how remote and hybrid working structures will impact cybersecurity, what threats are top of mind for security leaders, and how employees' behavior has changed.
Research & Reports
The Psychology of Human Error
Fascinating Insights from academics on why do people make mistakes and why this puts your data at risk. Understand the mistakes that compromise your company’s cybersecurity by learning the psychology behind human error, businesses can better understand how to prevent mistakes from happening before they turn into breaches.
Research & Reports
Opportunity in Cybersecurity Report 2021
This year, we followed up with women working in the field and... things have changed. For the better.We also went straight to the source, and probed recent grads about their potential interest in pursuing a career in cyber.
Research & Reports
The State of Data Loss Prevention
Read our latest research and learn why traditional DLP solutions are failing, and what the future looks like.
Research & Reports
Why the Threat of Phishing Can’t Be ‘Trained Away’
Two thirds of employees are not regularly trained about cyber threats on email. What's more, a significant percentage of those that are trained do not remember what they are taught. So, to what extent can training really stop people falling for phishing attacks?
Analyst Reports
Gartner Market Guide for Email Security 2021
Download Market Guide →
Analyst Reports
Forrester Study: Take Control of Email Security with Human Layer Security Protection
Download Forrester Study Now →
Product Datasheets
Tessian Human Layer Security Platform Overview
Download Now →
Solution Briefs
How Tessian Closes Critical DLP Gaps in Microsoft 365
Download Solutions Brief →