
The U.S. government has revealed charges against Guan Tianfeng, a Chinese national linked to extensive cyberattacks on over 81,000 Sophos firewall devices worldwide in 2020. Guan, associated with Sichuan Silence Information Technology Company, is accused of computer and wire fraud conspiracy, and developing a zero-day vulnerability (CVE-2020-12271), which allowed unauthorized access to, and data exfiltration from, Sophos firewalls. The SQL










