T-Mobile CSO: Cyber spies' initial access method 'is novel'
Briefly

"The Chinese government-linked group dubbed Salt Typhoon is believed to be behind the attacks. This group was able to successfully break into US telecom companies' networks, including Verizon and AT&T, targeting the systems in a sophisticated manner."
"Jeff Simon, T-Mobile's CSO, confirmed that while their systems were targeted, they managed to thwart successful attacks within a single-digit number of days. This rapid response highlights their defensive capabilities against ongoing cyber threats."
Read at Theregister
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