London-based Tessian has reportedly raised around $40m in a series B funding round led by Silicon Valley's Sequoia Capital, according to multiple sources. The start-up provides AI-based email security services that use machine learning to study a company’s email networks and identify unusual behaviours in outgoing email. Tessian is also working on the security of incoming email. The company raised $13m in series 2013, led by Balderton Capital, with additional investors including Accel, Amadeus Capital Partners, Crane, LocalGlobe, Winton Ventures and Walking Ventures.
London-based Tessian has reportedly raised around $40m in a series B funding round led by Silicon Valley's Sequoia Capital, according to multiple sources. The start-up provides AI-based email security services that use machine learning to study a company’s email networks and identify unusual behaviours in outgoing email. Tessian is also working on the security of incoming email. The company raised $13m in series A funding seven months ago, led by Balderton Capital, with additional investors including Accel, Amadeus Capital Partners, Crane, LocalGlobe, Winton Ventures and Walking Ventures.