The China-backed hackers are reportedly still inside the networks of some of America's largest phone and internet companies, weeks after the hacks were disclosed.

U.S. officials said Tuesday they had not expelled Chinese hackers from telecommunications companies, warning concerned users to turn to encrypted messages.

US officials are still trying to help major telecom providers evict Chinese government-backed hackers from their networks and don’t have a timeline for when that will be done, officials said Tuesday.

China-linked spies are still lurking inside U.S. telecommunications networks roughly six months after American officials started investigating the intrusions, senior officials told reporters Tuesday.

U.S. officials update reporters on it’s investigation into a massive and ongoing Chinese hack of multiple U.S. telecom companies. NBC News Justice and Intelligence Correspondent Ken Dilanian reports on how government officials are grappling with the breach.

By Jeff Seldin WASHINGTON — Chinese hackers blamed for compromising U.S. telecommunications infrastructure and spying on American presidential campaigns and American officials are still entrenched in those systems, according to senior U.S. officials who warn it could be years before the hackers are kicked out.

Chinese hackers have been accused of compromising US telecommunications systems and engaging in espionage on American presidential campaigns, with US officials warning that it may take years before the hackers are removed from the network,

Chinese government-backed hackers have infiltrated major U.S. telecom networks, and officials are now struggling to remove their access, U.S. authorities

U.S. officials say they're investigating Chinese government-affiliated hackers who compromised the networks of of U.S. communication companies and were able to intercept private communications of people affiliated with the U.