Chelan County — Cyber Attacks, Breaches & Threat Activity

Threat entity extracted from intelligence sources

Frequency
3
occurrences
First Seen
May 24, 2026
Last Seen
May 26, 2026

Chelan County is a organization tracked across 1 threat cluster and 3 intelligence report mentions on ThreatCluster. First observed May 24, 2026; most recent activity May 26, 2026.

Related Threat Clusters

  • Chelan County Government Systems Compromised by Malware Attack

    Chelan County, Washington, experienced a malware attack that affected all government departments, prompting officials to shut down networks, computers, and phone systems. The malware was detected by the IT department at…

    3 articles · Updated May 25, 2026

Recent Intelligence Reports

  • Chelan County WA government shuts down networks after cyberattack — Fox13Seattle · May 26, 2026
  • Cyberattack cripples Chelan County government network systems over holiday weekend — Mynorthwest · May 25, 2026
  • Chelan County shuts down networks, phones after malware attack hits all departments — Komonews · May 24, 2026

CVSS v3.1 Breakdown