U.S. government agencies will hold a classified briefing for all senators on Wednesday on China's alleged efforts known as Salt Typhoon to burrow deep into American telecommunications companies and steal data about U.

In a letter to the Department of Defense, senators Ron Wyden and Eric Schmitt are calling for an investigation into fallout from the Salt Typhoon espionage campaign.

Government publishes tips for broadband providers and urges vigilance after huge data breach from Chinese hacking gang.

U.S. government agencies will hold a classified briefing for all senators on Wednesday on China's alleged efforts known as Salt Typhoon to burrow deep into American telecommunications companies and steal data about U.

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.

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.

Federal authorities on Tuesday urged telecommunication companies to boost network security following a sprawling Chinese hacking campaign that gave officials in Beijing access to private texts and phone conversations of an unknown number of Americans.

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.