Tessian

Tessian, a company acquired by Proofpoint, specializes in AI-based cloud email security solutions designed to prevent both accidental and intentional data loss over email. Tessian employs behavioral analysis and machine learning to detect and prevent advanced email threats such as Business Email Compromise (BEC), Account Takeover (ATO), and impersonation attacks. The company integrates seamlessly with Microsoft 365 and Google, enhancing email environments with its comprehensive suite of tools, including Defend, Protect, Respond, and Coach. Tessian’s technology identifies threats in various forms, including image-based text, QR codes, URLs, subject headings, body text, and email attachments. Leveraging a global threat library, Tessian continuously improves security across its network. The platform deploys rapidly through native API integrations with email providers. Tessian was recognized as a Strong Performer in The Forrester Wave™: Enterprise Email Security, Q2 2023.