WaterISAC Resource Center

(TLP CLEAR) Weekly Vulnerabilities to Prioritize – May 21, 2026

(TLP:GREEN) PEAR Ransomware Claims U.S. Drinking Water Utility as Victim

(TLP:AMBER+STRICT) Situation Report: Heightened Threat Environment – Potential Retaliation by Iranian Threat Actors Following U.S. Strikes on Iran (Updated May 21, 2026)

(TLP:CLEAR) Poland Warns of Escalating Cyber Threats to Water Utilities and ICS Operations

(TLP:CLEAR) Verizon’s 2026 Data Breach Investigations Report (DBIR)

(TLP:CLEAR) CISA ICS Advisories, Additional Alerts, Updates, and Bulletins – May 21, 2026

Tip of the Week – May 21, 2026

(TLP:GREEN) WHO Calls International Attention to Growing Ebola Outbreak in Africa

(TLP:GREEN) Incident Report – Explosive Device Found, Detonated at Dam Water Reservoir

(TLP:GREEN) Gate 15 Threat Awareness & Resilience Guidance Report: Hostile Event Attack Cycle (14 May 2026)

(TLP:CLEAR) U.S. Government Releases 2026 Counterterrorism Strategy

Weekly Counterterrorism Report