British email security startup Tessian raises $42 million from Sequoia

Tessian, a cybersecuity startup based in London, has successfully raised $42 million in a round led by Sequoia Capital. Other firms that participated in the round include Latitude, Balderton Capital, and Accel.

The company was founded in 2013 and originally known as CheckRecipient. It applies machine learning to enterprise email security in order to eliminate threats such as spear phishing and misdirected emails. The way it does that is by analysing the historical email data and then looking for anomalies in communications going forwards. Tessian’s mission is to help organisations protect people processing data using technology that empowers, rather than restricts the way they work.

Tessian will use the new funds to grow its team and expand its product line.

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