T-Mobile quietly upgrades 2G network security

[Windows Central]

T-Mobile US is quietly upgrading the security of their older 2G network, moving to more advanced encryption that prevents eavedropping. The new, more secure network has already been deployed in at least three locations, New York, Washington, and Boulder, Colorado. The T-Mobile 2G network has previously relied on older A5/1 encryption, with the new security standard known as A5/3.

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