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U.S. Cellular

Controversies

Controversies tied to this brand in public sources. A listing is not a finding of fault.

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  1. 2021

    USCellular discloses customer data breach

    Issue disclosure

    USCellular disclosed a breach in which attackers accessed its CRM system and customer accounts and phone numbers; its notice said customer account information, including PIN codes and billing information, may have been exposed.

    Company response

    • Investigation — USCellular

      At this point, more investigation needs to be conducted as USCellular is still not certain about the source of the hacking.
    • Remediation — USCellular

      Following the incident, USCellular got rid of the computers involved in the scam for further investigation. They also reset employee's passwords.
    • Ongoing disclosure — USCellular

      USCellular also reached out to affected customers that they have reset their authorized contact PIN and security questions to prevent further data access.

    Source excerpt

    • According to Bleeping Computer, the software turns out to be a malware that allowed the hackers to access US Cellular's computer remotely.
    • USCellular, the fourth largest mobile network operator in the United states has suffered data breach after attackers hacked its Customer Relationship Management (CRM) software and gained access to customer's accounts and phone numbers.
    • The data breach notification says "since the employee was already logged into the customer retail management ("CRM") system, the downloaded software allowed the unauthorized individual to remotely access the store computer and enter the CRM system under the employee's credentials."
  2. 2019

    FCC finding concerning LTE coverage claims

    The FCC reported that U.S. Cellular's publicized 4G LTE coverage information overstated performance by as much as 38 percent and that the network reached federally mandated minimum speeds only 45 percent of the time in the cited testing.