T-Mobile attributes the recent data breach to a temporary issue with their system.

Kris Carlon is a writer for Android Authority.
Kris Carlon is an author at Android Authority.
-
Many users on Reddit and X, previously known as Twitter, have shared that they have observed third-party data in the official T-Mobile application.
-
The details provided encompass the remaining credit amount, records of purchases, the final four numbers of their card, the expiry date, contact numbers, and addresses.
-
T-Mobile reports that the occurrence occurred due to a malfunction in the system.
Revised: As of September 21, 2023 at 1:21 AM ET, T-Mobile has informed Android Authority that the recent occurrence of third-party user data appearing in their app was not a result of a security breach. The carrier has provided a statement confirming that it was a technical issue on their end.
T-Mobile did not experience a cyberattack or security breach. There was a temporary malfunction in the system due to a scheduled overnight technology update. This affected a small number of customers, less than 100, and it was resolved quickly.