CISA Probes Nevada Cyber Breach Amid Surge in State Attacks

US Cyber Defense Agency Deploys Support to Nevada Following Ransomware Incident Chris Riotta (@chrisriotta) • August 28, 2025

The U.S. cyber defense agency is providing incident response support to Nevada following a cyberattack that disrupted local agency systems, amid signs of a surge in ransomware and data theft affecting cities and counties.

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The Cybersecurity and Infrastructure Security Agency said Wednesday it is helping restore networks "for lifesaving and critical services and rebuilding its systems" after a ransomware knocked out access to certain state websites, online portals and office phone lines. Nevada's technology office implemented temporary routing and operational workarounds to maintain public access while restoring systems and investigating the breach, according to a press release (see: Nevada State Offices Halt Services After Cyber Incident).

Cyberattacks on local government entities often trigger urgent ...