Cellcom, a regional wireless carrier based in Wisconsin, confirmed a cyberattack that caused a week-long outage affecting voice and text services in Wisconsin and Upper Michigan.
The company announced it has begun restoring services and stated it had protocols in place for such incidents to address the cyberattack.
Cellcom reported that the cyberattack impacted a network area not linked to the storage of sensitive information, and there's no evidence of customer personal or financial information being compromised.
The company is working with external cybersecurity experts, local authorities, and aims to fully restore its services by the end of the week.