Chinese nationals Yunhe Wang, Jingping Liu, and Yanni Zheng have been sanctioned by the U.S. Treasury Department for operating the residential proxy service 911 S5, which was a botnet comprised of over 19 million residential IP addresses that had been used to support various cybercrime groups' COVID-19 relief scams and bomb threats, Ars Technica reports.

A court-authorized international law enforcement operation led by the U.S. Justice Department disrupted a botnet used to commit cyber attacks, large-scale fraud, child exploitation, harassment, bomb threats, and export violations.

911[.]re, a proxy service that since 2015 has sold access to hundreds of thousands of Microsoft Windows computers daily, announced this week that it is shutting down in the wake of a data breach that destroyed key components of its…