FBI confirms China-backed hackers breached US telecom giants to steal wiretap data
FBI confirms China-backed hackers breached US telecom giants to steal wiretap data

techcrunch.com
FBI confirms China-backed hackers breached US telecom giants to steal wiretap data | TechCrunch

The U.S. government has confirmed that hackers with links to China breached multiple U.S. telecommunication service providers to access the wiretap systems used by law enforcement to surveil Americans.
Case in point why there is no such thing as "safe backdoors".