Skip to Primary Navigation

Big data breach exposes 37 million T-Mobile user accounts

Photo: Getty Images

This is the mobile company’s eighth data breach in five years.

The latest data breach at T-Mobile has exposed customer information such as name, billing address, email, phone number, date of birth, T-Mobile account number and data such as the number of lines on the account and plan features.

The breach was discovered on January 5, 2023, when the company discovered

“Our investigation

Get full access, free for a month

Start your 28-day free trial to continue reading and access
all content on GRIP – no payment details required.

What’s included:

  • Every new article, plus our 5,000+ archive
  • Daily regulatory insight and guidance
  • Exclusive interviews and in-depth analysis
  • Coverage of industry-leading events and conferences
  • All podcasts and videos, featuring industry experts
  • The full set of Rules Navigator tools
  • An ad-free experience