Lumen’s confirmation comes after U.S. telecom giants AT&T and Verizon confirmed to TechCrunch that they had also secured their networks following their breaches. T-Mobile, another Salt Typhoon target, said last month that it had no evidence of hackers still in its systems.

The telecom companies say they're no longer detecting activity from foreign entities that were hacking their networks.

AT&T blamed China for the hack. Verizon said a 'small number of high-profile customers in government and politics were specifically targeted' by a nation-state threat actor.

Chinese hackers called Salt Typhoon have infiltrated a ninth telecommunications firm, gaining access to information about millions of people, U.S. cybersecurity officials say.

U.S. telecom giants AT&T and Verizon say they have secured their networks after being targeted by the China-linked Salt Typhoon cyberespionage

The attack has sparked response from the White House, as incoming President Trump has vowed to go on the offensive. Officials claim years of cyberdefense has been ineffective, and Mike Waltz, new national security advisor has warned the US will need to ‘start imposing’ on nation state actors who pose a threat.

The Chinese-linked Salt Typhoon cyberespionage operation targeted AT&T and Verizon's systems, but the wireless carriers' U.S. networks are now secure as they work with law enforcement and government officials,

U.S. telecommunications giants AT&T and Verizon Communications believe they have finally ejected Chinese cyber espionage hackers from their networks. The White

U.S. officials have added a ninth telecommunications company to the list of entities compromised by a sweeping Chinese-linked cyberespionage operation known as Salt Typhoon, a top White House official said Friday.