Cellcom’s CEO Brighid Riordan said the carrier experienced a cyber incident that has caused a 6-day service outage.

John Debeck, who runs a small business selling railroad artifacts online and at auction, said this outage greatly impacts his ability to communicate with buyers.

Wisconsin wireless provider Cellcom has confirmed that a cyberattack is responsible for the widespread service outage and disruptions that began on the evening of May 14, 2025.

GREEN BAY, WI — Cellcom’s CEO updates customers on the voice and text service outage that struck the cellular service ...

After a week-long outage to its cellular and texting services and vague updates about the problem, Cellcom has finally revealed that a 'Cyber Incident' was behind the outage.

It's been nearly a week since Cellcom customers first noticed voice and SMS texting services outages, and now their CEO is ...