Chelan County Government
May 24, 2026
•[ malware, cyberattack, network shutdown ]
Chelan County, Washington reported that malware was detected on county government systems around 10 a.m. on May 24, 2026, affecting all county departments. As a precaution, the county voluntarily shut down network access, computers, and telephone systems across departments while IT staff worked with security partners to restore systems; 911 and emergency services remained available. Public reporting did not identify the threat actor, confirm ransomware, report data theft, or confirm whether any personal data was compromised.
University of La Sapienza
February 5, 2026
•[ cyberattack, operational disruption, network shutdown ]
La Sapienza University in Rome reported that its IT infrastructure was targeted by a cyberattack that caused widespread operational disruption. The university announced it ordered an immediate shutdown of network systems as a precaution to protect data integrity and security, and formed a technical task force while notifying authorities. As of the report, the universitys website remained offline and ongoing status updates indicated continued recovery work. Public reporting did not confirm data theft; the primary documented effect is the deliberate shutdown and resulting loss of availability for key university network services.
Cheyenne and Arapaho Tribes
December 8, 2025
•[ ransomware, network shutdown, operational disruption ]
A ransomware attack forced the Cheyenne and Arapaho Tribes to shut down tribal computer networks, disrupting email and phone service and suspending some operations while systems were restored in phases.