LIVE MONITORING
High Confirmed Telecommunications

T-Mobile API Breach

T-Mobile data breach affecting 37.0M records.

8.2
Severity Score
Records Exposed
37.0M
Breach Date
January 2023
Attack Vector
API Exploitation

Exposed Data Types

Names Addresses Phone Numbers Emails Government IDs

T-Mobile disclosed that a threat actor exploited an API to steal data of approximately 37 million customers. This was T-Mobile’s eighth known breach since 2018, raising serious questions about the company’s security posture.

Impact Assessment

Data Sensitivity
8.2
Scale
37.0M
Public Exposure
High