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Mint Mobile Data Breach Exposes Customer Information

Mint Mobile, a budget pre-paid mobile plan provider, recently disclosed a significant data breach. On December 22, 2023, customers were alerted via email about a security incident in which an unauthorized party accessed certain customer information​​.

The breach exposed various customer details, including:

  • Names
  • Telephone numbers
  • Email addresses
  • SIM serial numbers and IMEI numbers (device identifiers)
  • Brief descriptions of service plans

Mint assured that credit card numbers, not stored by the company, and passwords, protected with strong cryptographic technology, were not compromised​​.

Risks and Concerns

The compromised data poses a significant risk, especially for SIM swapping attacks. This attack method involves porting a victim’s phone number to the attacker’s device. Once in control, the attacker can reset passwords and bypass multi-factor authentication to access the user’s online accounts. This technique is particularly dangerous for accounts at cryptocurrency exchanges, where it can lead to substantial financial losses​​.

Company’s Response and Customer Advisory

Mint Mobile has resolved the breach and is working with cybersecurity experts to fortify their systems. They advised customers that no immediate action is needed and provided a customer support number for inquiries related to the breach. The company also confirmed the authenticity of the communication on Reddit, dispelling concerns about the legitimacy of the email notice​​.

Unresolved Questions

Details regarding how the breach occurred remain undisclosed. Earlier in July 2023, FalconFeeds threat intelligence reported an attempt to sell data allegedly stolen from Mint Mobile and Ultra Mobile on a hacking forum. However, the connection between this report and the recent breach is unclear​

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Earl L. Crawford, Jr. 1937-2024

Earl worked for Goodyear Tire and Rubber Company for 30 years before going into business for himself at Crawford Tire from 1981 until 2019.

Dennis W. Flythe 1953-2024

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