Federal authorities say an investigation into Chinese government hacking efforts has revealed a “broad and significant” cyberespionage campaign mounted by Beijing.

Hackers affiliated with Beijing have compromised the networks of “multiple” telecommunications companies to obtain customer call records and gain access to the private communications of “a limited number of individuals,

WASHINGTON: A federal investigation into Chinese government efforts to hack into U.S. telecommunications networks has revealed a “broad and significant” cyberespionage campaign aimed at stealing information from Americans who work in government and politics,