London start - up Tessian has raised $ 13 m in a series A funding round , led by Balderton Capital and existing investor Accel . Tessian , formerly known as Tess , has developed machine learning software which analyses employee 's outgoing e - mail behaviour for irregularities , and identifies potential mistakes before they are sent . “With the recent report from the ICO that misaddressed emails are now the number one data security incident reported to them, and GDPR now in full swing, companies should make addressing this risk a top security priority,” said Tessian CEO and cofounder Tim Sadler, in a statement. The company , which counts firms such as Schroders , Man Group and Dentons among its clients , is developing a similar system to analyze inbound messages .
London start - up Tessian has raised $ 13 m in a series A funding round , led by Balderton Capital and existing investor Accel . Tessian , formerly known as Tess , has developed machine learning software which analyses employee 's outgoing e - mail behaviour for irregularities , and identifies potential mistakes before they are sent . The company , which counts firms such as Schroders , Man Group and Dentons among its clients , is developing a similar system to analyze inbound messages .