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

The U.S. government’s ongoing probe into China-backed actors’ attempts to hack into U.S. telecommunications infrastructure revealed a “broad and significant” espionage

The Chinese effort to hack prominent Americans' mobile devices is far more pervasive than previously reported, ABC News has learned.

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,