BreachCensus

T-Mobile

United States of America

T-Mobile is an organisation in United States of America. It has 2 recorded incidents; the most recent activity was recorded on January 19, 2023.

Data as of September 6, 2026.

Confirmed incident

US-WI

Occurred
November 25, 2022
Disclosed
January 19, 2023

Timeline

  1. January 19, 2023
    Reported to regulator Regulator

    WI AG breach notification: an unknown number of Wisconsin residents affected

    source
Confirmed incident

US-DE

Occurred
August 12, 2021
Disclosed
August 19, 2021

Timeline

  1. August 19, 2021
    Reported to regulator Regulator

    DE AG breach notification: an unknown number of Delaware residents affected

    source