US sanctions China cyber firm for potentially deadly ransomware attack
Al JazeeraSome 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 government contractor located in the city of Chengdu in central China whose main clients are Chinese government intelligence services, the Treasury Department said. Critical infrastructure targeted In the latest case involving Sichuan Silence, the malware was allegedly designed to steal data, including usernames and passwords, as well as deploy ransomware that blocks access to victims’ computer networks using encryption when companies try to fix the attacks. Of the 23,000 firewalls in the US, 36 were protecting the systems of critical infrastructure companies, the Treasury Department said.