T-Mobile Faces Two New Class Action Lawsuits After Data Breach Leaked User’s Social Security Numbers, Birth Dates, and Other Personal Data

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T-Mobile Class Action Lawsuit Overview:

• Who: T-Mobile has been hit with two new lawsuits following its massive August data breach
• What: The class action lawsuits, like a number that have already been filed, claim the company acted negligently with consumer data
• Where: Both class actions are nationwide in the U.S.

T-Mobile has been hit with two new class action lawsuits alleging negligence in regards to August’s large-scale data breach, while the CEO maintains that the company is taking “significant steps to enhance our approach to cybersecurity.”

The two new nationwide class action lawsuits were brought by Sheila Hamilton-Bynum in Seattle and Ivette Delerme and Thomas Macnish in New Jersey. Both suits allege that T-Mobile failed to adequately protect consumers’ sensitive personal identifying information, and that the company’s lack of proper safeguards gave intruders a means to breach its computer network and steal sensitive personal identifying information in the August data breach.

That breach has potentially exposed the names, birth dates, Social Security numbers, driver’s license numbers, phone numbers, and two types of identification numbers associated with mobile phones–IMEI and IMSI numbers, of more than 100 million consumers. With their personal information jeopardized, consumers face an increased risk of identity theft, both claims state.

The new class actions join others previously filed by T-Mobile consumers that also allege negligence and call for damages for the consumers to mitigate the fallout of the breach.

Hamilton-Bynum says in her class action lawsuit that the data breach was a direct and proximate result of T-Mobile’s failure to implement and follow basic security procedures, and now the personal data of her and other consumers was “in the hands of criminals.”

“Plaintiff and members of the Class now face a substantially increased risk of identity theft, both currently and for the indefinite future, at least in part because their PII will now be offered and sold to identity thieves in an aggregated format, lending itself for ease of use in widespread phishing email schemes, identity theft and other harms caused by the disclosure of their PII,” the claim reads.

“Consequently, plaintiff and members of the Class have had to spend, and will continue to spend, significant time and money in the future to protect themselves due to T-Mobile’s actions.”

On Aug. 27, T-Mobile CEO Mike Sievert released a statement saying his team had been working “tirelessly to navigate a malicious cyberattack on our systems,” and with the breach now contained and the investigation substantially complete, he could confirm that former and current customers had their SSN, name, address, date of birth and driver’s license/ID information was compromised.

He said the company had entered into long-term partnerships with cybersecurity firm Mandiant, and with consulting firm KPMG LLP. “We know we need additional expertise to take our cybersecurity efforts to the next level — and we’ve brought in the help,” he wrote.

“These arrangements are part of a substantial multi-year investment to adopt best-in-class practices and transform our approach. This is all about assembling the firepower we need to improve our ability to fight back against criminals and building a future-forward strategy to protect T-Mobile and our customers.”

However, the action is too late for those consumers whose data has been illegally accessed, and whom T-Mobile must now have to face up to in court.

The recently filed class actions against T-Mobile, like the number filed before them, allege negligence and violations of state trade laws.

The consumers seek damages, restitution, injunctive relief, legal fees and costs, interest, and a jury trial.

Were you affected by the T-Mobile data breach? Let us know your experience in the comments section!

Hamilton-Bynum is represented by Stephen P. Connor, Anne-Marie E. Sargent, and Derik Campos of Connor & Sargent PLLC; Gary F. Lynch and Nicholas A. Colella of Carlson Lynch, LLP; Joseph P. Guglielmo of Scott+Scott Attorneys At Law; MaryBeth V. Gibson of The Finley Firm, P.C.; Arthur M. Murray of Murray Law Firm; and Brian C. Gudmudson of Zimmerman Reed LLP.

Delerme and Macnish are represented by James E. Cecchi of Carella, Byrne, Cecchi, Olstein, Brody & Agnello, P.C.; Linda P. Nussbaum of Nussbaum Law Group, P.C.; Michael E. Criden of Criden & Love, P.A.; and Adam Frankel of Greenwich Legal Associates, LLC.

The T-Mobile Data Breach Class Action Lawsuits are Hamilton-Bynum v. T-Mobile USA Inc., Case No. 2:21-cv-01190 in the U.S. District Court for the Western District of Washington Seattle Division, and Delerme, et al., v. T-Mobile USA Inc., Case No. 3:21-cv-16299 in the U.S. District Court District of New Jersey

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