Cybersecurity & Data Privacy

Experian Data Breach

Experian T-Mobile Data Breach Investigation

In the wake of news that at least one hacker has acquired the Experian personal and financial records of 15 million T-Mobile customers and other credit applicants, Lieff Cabraser is investigating consumer complaints that Experian may have failed to adequately safeguard and secure the financial and personal records of its consumers.

Consumer concern is elevated both because of the potential depth of financial information affected, and the length of the breach itself — which is reported to have gone on for two years.

In addition to personal information for approximately 15 million customers and T-Mobile service applicants, the data is also reported to have included information on applicants requiring a credit check for service or device financing from Sept. 1, 2013 through Sept. 16, 2015, Experian North America said in a statement.

In a letter to consumers, T-Mobile CEO John Legere said, “Obviously I am incredibly angry about this data breach and we will institute a thorough review of our relationship with Experian.”

While Experian claims to have taken immediate action upon finding the breach, it noted that the stolen data included names, dates of birth, addresses, and Social Security numbers.

Why Experian May Be Liable for the Data Breach

Organizations that hold personally identifiable information, and in particular confidential personal financial information, owe a duty to safeguard this information and protect such information from being compromised, stolen, or misused. It is unknown at this time how the breach could have continued for so long without Experian knowing about it or taking action to protect its customers.

Contact National Personal Data Security Attorneys

If you are a T-Mobile user or applicant and have experienced identity theft or other action you think may be related to Experian’s data breach, we urge you to complete the contact form below to submit your complaint concerning Experian’s alleged failure to properly safeguard your confidential information. There is no charge or obligation for our review of your case.

We agree to protect your name and all confidential information you submit against disclosure, publication or unauthorized use to the full extent under the law. Please describe your complaint.Please note: Completion of this form cannot contractually obligate plaintiffs’ attorneys to represent you. We can only serve as your attorney if you and we both agree, in writing, that we will serve as your counsel.

First Name (required)

Last Name (required)

Email address (required)

Street Address




Telephone Day

Telephone Eve

How did you find our site?

Are you currently represented by an attorney?

If you know or suspect that your stolen confidential personal/financial Experian data was used to commit an identity crime, please describe your experience::

Please sign me up for your Consumer Law newsletter. Yes