T-Mobile Says Vendor Employee Improperly Accessed One Customer Account

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Summary

T-Mobile says a vendor employee improperly accessed information tied to one customer account. The exposed data included personal and account details; the company said no credentials were compromised and reset the account PIN.

Key points

  • T-Mobile told SecurityWeek the incident involved one customer account and a vendor employee who improperly accessed the information.
  • The Maine breach notice listed the exposed information as including the customer's name, contact details, account number and PIN, date of birth, driver's license number, and SSN.
  • T-Mobile said no credentials were compromised, and that financial account information and call records were not affected.
  • The affected customer's account PIN was reset as a precaution.
  • T-Mobile said it notified authorities and law enforcement and contacted the affected customer directly.

Article Details

Victim Organization
T-Mobile USA
Incident Type
Insider incident involving unauthorized access to customer information by a vendor employee
Data Types Exposed
  • Full name
  • Email address
  • Physical address
  • Account number
  • Associated phone number
  • T-Mobile account PIN
  • Date of birth
  • Driver's license number
  • Social Security number
Affected Records
1 individual
Operational Impact
T-Mobile said one customer account was affected. The customer’s account PIN was reset as a precaution. Personal financial account information and call records were not impacted.
Claim Status
confirmed