Data Breach
T-Mobile Data Breach
37.0M records exposed • January 2023
T-Mobile got hacked again - for the 8th time in 5 years. This time 37 million customers were affected. The hackers were in their systems for over a month before being noticed.
What Happened
T-Mobile disclosed yet another breach, this time affecting 37 million customers. An attacker exploited an API starting in November 2022 and was not detected for over a month.
Attack method: API exploitation
What Data Was Exposed
Names, Billing addresses, Email addresses, Phone numbers, Dates of birth, Account numbers
Is your business exposed?
What to Do If You're Affected
- 1.
Change T-Mobile account PIN
- 2.
Set up SIM swap protection
- 3.
Monitor credit reports
Lessons for Businesses
- • Repeated breaches indicate fundamental security issues
- • API security requires continuous monitoring
- • Detection time is a critical metric
Sources
Related Breaches
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