T-Mobile suffers second hack of 2023 exposing customer data; ninth breach since 2018.

T-Mobile experienced a hack that exposed customer data, affecting 836 subscribers.
The hack lasted from February 24 to March 30 and included account PINs, social security numbers, and other personal information.
T-Mobile reset account PINs once the breach was discovered on March 27.
T-Mobile has experienced another data breach affecting hundreds of account holders.
The company has not revealed how the hacker managed to access its systems.