Tessian – Creating a human layer security to protect organization’s most sensitive data on email gateways

Tessian is a leading cloud email security platform that intelligently protects organizations against advanced threats and data loss on email, while coaching people about security threats in-the-moment.

By using machine learning and behavioral data science, Tessian automatically stops threats that evade legacy Secure Email Gateways, including advanced phishing attacks, business email compromise, accidental data loss, and insider threats. Its intelligent approach not only strengthens email security but also builds smarter security cultures in the modern enterprise. The company's mission is to secure the human layer. Using machine learning technology, Tessian automatically stops data breaches and security threats caused by human error - like data exfiltration, accidental data loss, business email compromise, and phishing attacks - with minimal disruption to employees' workflow. As a result, employees are empowered to do their best work, without security getting in their way. It is backed by renowned investors like Sequoia, Accel, March Capital, and Balderton, and has offices in San Francisco and London.

Tessian Cloud Email Security Platform: A Single Platform to Holistically Manage Email Threats

Defend against attacks. Protect your most sensitive data. Respond to threats faster and more efficiently. Tessian’s context aware, AI-based email defense detects and prevents the full spectrum of email attacks from hitting the inbox. By turning your email data into intelligence, Tessian’s machine learning technology transforms your most vulnerable endpoint - your employees - into a trusted security asset by taking human error out of the equation. They take a unique approach to securing people using email.

Through a combination of machine intelligence, deep content inspection, stateful mapping of email relationships, and behavioral analysis, Tessian turns your email data into your biggest defense against security threats. Tessian automatically prevents email threats with no SOC interaction required. Emails can be automatically quarantined, or delivered to employee inboxes with contextual warning banners to free up your team’s time. Tessian Cloud Email Security intelligently prevents advanced email threats and protects against data loss, to strengthen email security and build smarter security cultures in modern enterprises.

Tessian integrates across email clients to create a tailored user experience for your organization. Their Gateway solutions allow for a client agnostic deployment. Tessian automatically surfaces rich insights to help you understand your organization’s advanced email threats and data loss in an intuitive way. That means you can move swiftly from investigation to remediation and reduce risks across three specific threat categories - accidental data loss, data exfiltration and impersonation attacks.

Security teams can view auto-analyzed threat trends to easily understand their highest risk threats and users make informed security event prioritization decisions, respond to threats faster, and benchmark risks against industry peers. Because Tessian integrates with Microsoft, organizations can take advantage of classification tags within Azure Information Protection. This way, you can leverage Tessian as part of your organization’s wider data protection and information classification.

Tessian's Product Suite: An Intelligent Approach to Email Security

Tessian Defender: Tessian’s context aware, AI-based email defense detects and prevents the full spectrum of email attacks from hitting the inbox. 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 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. Low false positive rates means when they see an alert, they pay attention. Tessian’s context aware, AI-based technology stops email threats that Secure Email Gateways and the built-in security controls within Microsoft and Google fail to detect. Tessian detects the full spectrum of email threats coming into the inbox such as business email compromise (BEC), account takeover (ATO) and ransomware.

Tessian Guardian: Automatically detect and prevent accidental data loss caused by people sending emails to the wrong recipient or attaching the wrong files. Tessian analyzes historical email data to understand content, context and communication patterns, enabling a comprehensive mapping of each and every employee’s normal behavior and email relationships (both within and outside your organization). Behavioral intelligence models are established and become more effective with each threat detected.

All emails leaving employee inboxes are analyzed in real-time. Using machine learning powered behavioral intelligence modeling, Tessian conducts an inspection of email content and attachments and automatically detects anomalous events that indicate accidental data loss. As misdirected emails and incorrect attachments are detected, end-users are alerted in real-time with clear, simple explanations and intelligent suggestions for alternative recipients. End-users are empowered to correct their mistakes before the email is sent.

Tessian Enforcer: Automatically detect and prevent inadvertent or malicious insiders from causing data breaches by sending sensitive data outside of your organization without permission. Tessian analyzes historical email data to understand content, context, and communication patterns, enabling a comprehensive mapping of every employee’s business and non-business email contacts without the need for any pre-defined rules or policies.

Tessian analyzes all outbound emails in real-time for sensitive data exfiltration. It uses machine learning-powered behavioral intelligence modeling to automatically detect anomalous data loss events that indicate negligent and malicious data exfiltration. Employees receive warning notifications in real-time when data exfiltration threats are detected. Warning notifications can be tailored to suit your company’s security policies and workflow requirements; people are warned, emails can be blocked, or activity can be silently tracked. Seamlessly access security events detected and prevented and have automated reports delivered – making remediating and reporting on risks easy.

The Visionary Leader at the Helm of Tessian

Tim Sadler is a co-founder and the CEO of Tessian. He and his co-founders started the human layer security company in 2013, after identifying a need for a cybersecurity solution that helps stop human failure on email. Tim has since built the company from 0 to over 150 employees and raised over $60m from leading venture capital funds. Tim has been awarded “Young Entrepreneur of the Year” at the 2018 Enterprise Awards and he was listed on the Forbes '30 Under 30' list in technology.

Tim holds Masters Degrees in design, engineering and innovation from Imperial College and the Royal College of Art.

"Tessian helps build a smarter security culture in the enterprise through in-the-moment, contextually relevant security notifications."