Data Breach

US Cellular Data Breach

0 records exposed • January 2024

Hackers tricked US Cellular store employees into giving up access to customer accounts. This type of breach can let criminals take over your phone number.

What Happened

Attackers socially engineered US Cellular retail employees to access customer accounts. The breach could enable SIM swapping attacks.

Attack method: Social engineering of retail employees

What Data Was Exposed

Names, Phone numbers, PINs, Account information

Is your business exposed?

What to Do If You're Affected

  1. 1.

    Change your US Cellular PIN

  2. 2.

    Add extra security to your account

  3. 3.

    Monitor for SIM swap attempts

Lessons for Businesses

  • Retail employees are social engineering targets
  • Telecoms need better employee verification
  • SIM swap protections should be default

Related Breaches

T Mobile, Att 2024

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