Cybersecurity company Exein has raised $270 million to fight AI hackers, according to Sifted. The financing has also doubled the company's valuation, pointing to strong investor appetite for startups building defenses against AI-driven attacks.

Sifted's report centers on the growing risk posed by attackers who use AI to find weaknesses or automate intrusions. Exein's raise is aimed at that threat, though the headline coverage does not provide further details about the company's products or its use of the funds.

This article is based on a single source, so there are no differing accounts to compare. The figures and valuation change reflect what Sifted has reported.