WASHINGTON (Reuters) – A hack blamed on China has affected more U.S. telecom operators than initially thought, including Charter Communications, Consolidated Communications and Windstream, the Wall Street Journal reported on Saturday evening, citing close sources of the file.
The hackers also used network equipment from the security company Fortinet and compromised important network routers from Cisco Systems, added the American daily.
In addition to serious intrusions at AT&T and Verizon, the hackers breached other networks belonging to Lumen Technologies and T-Mobile, according to the newspaper.
China has denied engaging in such actions and accused the United States of disinformation.
The Salt Typhoon cyberespionage operation targeted the systems of AT&T and Verizon, but both companies said their wireless networks in the United States were now secure. T-Mobile said it had disrupted recent attempts to infiltrate its systems and protected access to sensitive customer information, according to the WSJ.
Both Cisco and Fortinet declined to comment.
(Kanishka Singh, Gilles Guillaume for the )
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