Tessian Raises $65M in Series C Funding


Tessian, a London, UK and San Francisco, CA-based human layer security company, raised $65m in Series C funding.

The round, which brought total funding to-date over $120m and valued Tessian at $500m, was led by March Capital with participation from existing investors Accel, Balderton Capital, Latitude and Sequoia Capital and new investor Schroder Adveq.

The company intends to use the funds to continue to expand beyond email to secure other interfaces like messaging, web and collaboration platforms, and triple its employee base, with a particular focus on growing its sales team in North America.

Led by Tim Sadler, CEO, Tessian uses machine learning to stop data breaches and security threats caused by human error – without disrupting employee workflow. It builds Behavioral Intelligence Models, tailored to every employee, by analyzing individuals’ communication patterns and behaviors online. Tessian uses the models to automatically detect security threats and prevents them from turning into breaches by notifying the employee of the risk in-the-moment.

The company now has approximately 350 global customers across the legal, financial services, healthcare and technology sectors including Affirm, Investec and RealPage.