Sean Lyngaas and Evan Perez
A highly skilled group of Chinese government-linked hackers has in the last several months infiltrated multiple US telecommunications firms in a likely search for sensitive information bearing on national security, multiple sources briefed on the matter told CNN.
US investigators believe the hackers potentially accessed wiretap warrant requests, two of the sources said, but officials are still working to determine what information the hackers may have obtained. US broadband and internet providers AT&T, Verizon and Lumen are among the targets, the sources said.
US officials are concerned about the potential national security damage done by the hacking, which they only recently discovered. It’s the latest sophisticated hack targeting US federal agencies that investigators have linked to China, and it comes amid tensions between Washington and Beijing over cyber-espionage and other high-stakes national security issues.
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