The disclosure is the latest sign that the Chinese burrowed deep inside U.S. communications networks in a far-reaching espionage campaign.

An FBI investigation into reported hacks at AT&T and Verizon reveals 'a broad and significant cyber espionage campaign,' the agency says.

The FBI and the Cybersecurity and Infrastructure Security Agency (CISA) said that People's Republic of China (PRC) hackers breached commercial telecommunication service providers in the U.S. The breached entities have been warned, and the agencies are ...

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.

CISA and the FBI have confirmed that Chinese hackers compromised the networks of telecommunications companies to spy on specific targets.

The US government uncovered a “broad and significant” cyber espionage campaign targeting commercial telecoms infrastructure in the country, allegedly conducted by China-linked hackers.

China-affiliated actors "have compromised networks at multiple telecommunications companies" to enable the theft of U.S. customer call records and access to the private communications of some individuals involved in government or politics,

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,

WASHINGTON (Reuters) -China-linked hackers have intercepted surveillance data intended for American law enforcement agencies after breaking in to an unspecified number of telecom companies, U.S. authorities said on Wednesday.