Three months after reports surfaced about a cyberattack, called Salt Typhoon, targeting internet service providers and US wiretapping infrastructure, two of the largest telecom companies say they've made progress securing their networks against the threat.

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

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.

This is the first time AT&T and Verizon have publicly acknowledged being affected by Salt Typhoon. For most customers, there’s little reason to worry. Verizon told TechCrunch that the hacking group behind the breach had targeted "a small number of high-profile customers in government." Still, the full scope of the breach remains unclear.

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,

AT&T and Verizon announced their networks are secure after China-linked cyberespionage attack. Both stocks are down. U.S. officials concerned about China's hacking program.

AT&T and Verizon confirmed they were breached in a massive Chinese espionage campaign targeting telecom carriers worldwide but said the hackers have now been evicted from their networks.

AT&T Inc. and Verizon Communications Inc. acknowledged that they’d been hit by the China-linked Salt Typhoon hacking operation but that their networks were now clear from the intrusion.

Verizon and AT&T have confirmed that they came under attack from the state-linked Salt Typhoon operation but assure that their networks are now operating safely.