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Home Firewall Daily

Cyberattack Hits Cellcom: Voice, Text Services Down; FBI Notified

Ashish Khaitan by Ashish Khaitan
May 22, 2025
in Firewall Daily, Cyber News
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Cellcom Cyberattack
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Cellcom, a regional wireless provider based in Wisconsin, is continuing efforts to restore full service following a cybersecurity incident that has disrupted customers’ ability to make phone calls and send text messages. The company, which reported a Cellcom cyberattack last week, left many of its customers frustrated and without service.

On Tuesday, Cellcom’s CEO Brighid Riordan, addressed the situation in a video message, assuring customers that there was no indication that any personal information had been compromised in the cyberattack.

While the outage due to the Cellcom cyber security incident has affected voice and text services, the company emphasized that its data systems, including sensitive customer information, were not impacted by the breach.

Cellcom CEO Assures Customers Their Data Is Safe 

“We are committed to restoring services as quickly as possible, but we want to ensure that every step is taken with care to avoid compromising security,” Riordan stated. She further emphasized that there was no evidence of personal data being accessed or stolen during the cybersecurity incident.  

Despite these reassurances, Cellcom has warned its customers to be extra vigilant for potential scams. With the ongoing outage affecting a significant number of users, the company noted that cybercriminals may attempt to take advantage of the situation, exploiting the vulnerability caused by the service interruption. Cellcom advised its users to be cautious of unsolicited messages or phone calls, especially those that may appear to come from the company.

Ongoing Restoration Efforts After Cellcom Cyberattack

The company’s latest update indicated that while progress is being made, the full restoration of services may take additional time. Cellcom has brought in outside cybersecurity experts and has been working to resolve the issue. Additionally, the company has notified both the FBI and Wisconsin state officials about the incident, ensuring that appropriate legal and security measures are being taken.

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In a letter to customers, Riordan expressed deep gratitude for their patience and understanding during the disruption. She acknowledged the hardship caused by the outage, stating, “We know this disruption has caused frustration and, for some, real hardship — and for that, I am truly sorry.” She also praised the employees who have been working tirelessly to address the issue, noting their dedication and creativity in finding solutions. 

Riordan further assured customers that the company would take responsibility for the disruption by covering the time customers were without service. “We’re taking responsibility. We’re covering the time you were without service, and then some,” she wrote.

The cybersecurity breach has prompted heightened concern, not only because of the immediate service disruptions but also because of the potential risks it poses to customer trust. Cellcom, however, has continued to stress that security is its top priority. “We will not rush anything that compromises safety, security, or trust,” Riordan emphasized. 

Conclusion  

Cellcom is actively working to restore full service following a cybersecurity incident that disrupted its customers’ ability to make calls and send texts. While the company reassured customers that no personal data had been compromised, it has warned users to be vigilant for potential scams during the outage.

Despite progress in restoring services, the company acknowledged that the process may take additional time and has enlisted external cybersecurity experts for support. In a message to customers, CEO Brighid Riordan expressed gratitude for their patience, emphasized the company’s commitment to security, and confirmed that they would cover the downtime.

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