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flag Chinese hackers compromised major U.S. telecom networks via a 2018 Cisco flaw, accessing systems for years.

flag Salt Typhoon, a Chinese cyber threat group, compromised major US telecom networks, including T-Mobile, Verizon, AT&T, and Lumen, by exploiting a 2018 Cisco software vulnerability. flag The hackers gained access using stolen credentials, allowing them to persist in systems for years. flag The group has also targeted telecom infrastructure in South Africa, highlighting risks to other sectors like finance and government.

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