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,

Verizon Communications Inc. announced successful containment of a cyber incident known as the Salt Typhoon. An esteemed independent cybersecurity firm has validated the containment measures taken by Verizon,

AT&T Inc. acknowledged that it had been hit by the China-linked Salt Typhoon hacking operation but that its networks were now clear from the intrusion.

AT&T (NYSE:T) said Saturday it was hit by the Salt Typhoon hacking attack, but its networks have been cleared, Bloomberg reported. According to the report, AT&T said in a statement that the China-linked hackers tried to access information on foreign intelligence.