Tessian launches Defender to tackle spear phishing attacks

London-based Tessian has launched Defender, a new machine intelligent solution that automatically prevents strong-form impersonation spear phishing attacks.

With spear phishing tactics outsmarting legacy rule-based systems, the RegTech has developed a new email solution to protect enterprises from these inbound threats.

The FBI estimates that Business Email Compromise due to spear phishing has cost businesses more than $12 billion between December 2016 and May 2018. Spear phishing relies on being able to successfully impersonate the identity of an individual or corporation
Despite simple impersonation techniques being easily prevented by existing rule-based email security methods, more advanced strong-form impersonation tactics are on the rise and ever evolving according to Tessian.

Founded in 2013, Tessian creates machine intelligence to secure enterprises from threats executed by humans to keep the world’s most sensitive data and systems private and secure.
By analysing the content and other characteristics of outbound emails, Tessian claims to automatically determine whether the email is appropriate for the recipient.

Its new solution reverses this technique, so rather than analysing whether an outbound email is appropriate, it determines whether an inbound email is appropriate.

Tessian Defender applies machine intelligence to determine whether inbound emails are legitimate or display the characteristics of spear phishing emails.

Tim Sadler, co-founder and CEO of Tessian, said: “At a technical level, legacy technology stacks find it difficult to query large datasets in real-time, which means it is often a challenge for systems to quickly recognise and filter phishing emails. There are a number of strong-form impersonation techniques that will easily slip past traditional, rule-based email security systems.”

The launch of defender comes just months after Tessian raised $13m in a Balderton Capital-led round. Capital also came from Accel, Amadeus Capital Partners, Crane, LocalGlobe, Winton Ventures and Walking Ventures.

Last year, the company was chosen for the RegTech 100, which highlighted the world’s most innovative RegTech companies that every financial institution needs to know about as they consider and develop their mission critical RegTech strategies.

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