Chinese State Hacker Charged in Massive Breach of 81,000 Sophos Firewalls

A Chinese hacker, Guan Tianfeng, has been charged for orchestrating a massive 2020 cyber attack that exploited a zero-day vulnerability in Sophos firewalls, affecting 81,000 devices worldwide and 36 U.S. critical infrastructure companies. The U.S. has sanctioned both Guan and his employer,...