Some firewalls targeted in the US were protecting critical infrastructure companies, the US Treasury Department says. Guan Tianfeng, an employee of Sichuan Silence Information Technology Company, deployed malicious software to 81,000 firewalls run by thousands of companies worldwide in April 2020, including 23,000 in the US, the Treasury Department said in a statement on Tuesday. Sichuan Silence is a cybersecurity …
