T-Mobile Applicant 2015 EIS Data Breach Settlement

Frequently Asked Questions

This Settlement is between EXPERIAN and various states’ ATTORNEYS GENERAL related to a data breach discovered by EXPERIAN on September 15, 2015, in which a cyber attacker gained unauthorized access to portions of the EXPERIAN NETWORK that stored PERSONAL INFORMATION of consumers who had applied for services offered by T-Mobile USA, Inc. The data breach affected approximately 15 million individuals nationwide. The compromised information included names, addresses, dates of birth, Social Security numbers, government identification numbers, and related information used in T-Mobile’s assessment of consumers’ credit histories.
You are eligible if your PERSONAL INFORMATION was accessible to unauthorized individuals in connection with the 2015 data breach involving Experian and T-Mobile. 

The Settlement provides eligible consumers with free credit monitoring services, including 

  • CREDIT REPORT monitoring and automated alerts of any changes;
  • Social Security number monitoring that includes dark web surveillance; and
  • Up to $1,000,000 identity theft insurance policy
  • And at least two free copies of their Experian Credit report annually.
To enroll in free credit monitoring, consumers must complete an online Registration request on this website. Registrations will be subject to a process confirming their eligibility. All Registration requests must be received online on or before May 6, 2023.  Consumers will have 60 days to activate their enrollment after the enrollment code is sent. 
Kroll will email instructions on how to enroll in credit monitoring to those who have elected to receive the credit monitoring benefit.


Click here to safely and securely submit a Claim Form.

Important Dates

  • Registration Deadline

    Saturday, May 6, 2023 You must submit your Registration Form online no later than Saturday, May 6, 2023.

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