WaterISAC Resource Center

(TLP:GREEN) Security & Resilience Update – Updates on the Conflict with Iran, Refreshed Quarterly Incident Survey, and More

(TLP:CLEAR) Claude Mythos Preview: The AI Inflection Point in Vulnerability Management

(TLP:CLEAR) Microsoft Patches SharePoint Zero-Day and Other Significant Vulnerabilities in 2nd Largest Microsoft Patch Tuesday Ever

(TLP:CLEAR) Securin Cyber Threat Intelligence Report: Water & Wastewater Systems

(TLP:AMBER) CISA Shares Operational Technology Guide – OT Compromise Detection and Response

(TLP:AMBER) Member-Reported Brute Force Activity, IOCs Shared

(TLP:AMBER+STRICT) Situation Report: Heightened Threat Environment – Potential Retaliation by Iranian Threat Actors Following U.S. Strikes on Iran (Updated April 16, 2026)

(TLP CLEAR) Weekly Vulnerabilities to Prioritize – April 16, 2026

(TLP:CLEAR) Supplemental General Security & Resilience Highlights – April 16, 2026

Weekly Counterterrorism Report

(TLP:AMBER) April 15, 2026 WaterISAC Physical Threat Briefing

(TLP:CLEAR) CISA ICS Advisories, Additional Alerts, Updates, and Bulletins – April 16, 2026