Cellcom A.I CyberSecurity Scoring
Cellcom
Company Information
Website:http://www.cellcom.com
Employees number:382
Number of followers:4,989
NAICS:517312
Industry Type:Wireless Services
Homepage:cellcom.com
Cellcom Risk Score (AI oriented)
Between 700 and 749
CellcomWireless Services
Updated:
02/04/2026
02/04/2026
741/1000
Moderate
Ba
Cellcom Global Score (TPRM)
xxxx
CellcomWireless Services
Score locked

CellcomModerate
Current Score
741Ba (MODERATE)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JUNE 2026
742
MAY 2026
742
APRIL 2026
742
MARCH 2026
741
FEBRUARY 2026
741
JANUARY 2026
740
DECEMBER 2025
740
NOVEMBER 2025
739
OCTOBER 2025
739
SEPTEMBER 2025
738
AUGUST 2025
738
JULY 2025
737
MAY 2025
755
Cyber Attack
22 May 2025 • Cellcom
Cellcom
Cellcom Cybersecurity Incident Disrupting Voice and Text Services
736
CRITICAL-19
MYC0155301112725
Cellcom, a regional wireless provider in Wisconsin, experienced a cyberattack that disrupted voice and text services for its customers, leaving many unable to make calls or send messages. The outage, ongoing for several days, caused significant frustration and operational hardship for users. While the company confirmed that no personal or sensitive customer data was compromised, the incident led to potential risks of scams exploiting the service interruption. Cellcom engaged external cybersecurity experts and notified authorities, including the FBI and Wisconsin state officials, to address the breach. The CEO assured customers that the company was prioritizing security over speed in restoration efforts and would compensate users for the downtime. Despite progress, full service recovery remained delayed, highlighting the attack’s disruptive impact on communication infrastructure and customer trust.
INCIDENT DETAILS -
TYPE
IMPACT
DATA BREACH
REFERENCES
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