The US sanctioned a Chinese firm and charged Guan Tianfeng for hacking firewalls in 2020. Hackers exploited a Sophos firewall flaw, targeting 81,000 devices, including US infrastructure.
The non-profit found that the highest number of compromised devices were located in the United States, followed by India, with hackers also exploiting firewalls across the United Kingdom ...
Sichuan Silence and one of its employees allegedly exploited a zero-day attack to spread malware to firewall devices, including 23,000 based in the US.