Funny what putting more effort and resources into IT security can do Attackers - possibly China's Salt Typhoon cyber-espionage crew - compromised an unnamed wireline provider's network and used this access to try to break into T-Mobile US systems multiple times over the past few weeks,

T-Mobile, a frequent victim of data breaches, recently revealed how it successfully thwarted a major cyberattack.

T-Mobile has severed its connection to the unnamed wireline provider, which it suspects may still be compromised.