T-Mobile US CSO: Spies jumped from one telco to another in a way 'I've not seen in my career'
Security chief talks to El Reg as Feds urge everyone to use encrypted chat interview While Chinese-government-backed spies maintained access to US telecommunications providers' networks for months - and in some cases still haven't been booted out - T-Mobile US thwarted successful attacks on its systems "within a single-digit number of days," according to the carrier's security boss Jeff Simon....