WaterISAC Resource Center

(TLP:CLEAR) CISA ICS Advisories, Additional Alerts, Updates, and Bulletins – October 15, 2026

Tip of the Week – October 15, 2026

(TLP:AMBER+STRICT) Situation Report: Heightened Threat Environment – Potential Retaliation by Iranian Threat Actors Following U.S. Strikes on Iran (Updated October 15, 2026)

(TLP:AMBER) First Hurricane of the 2026 Atlantic Season Causes Considerable Infrastructure Impacts, including to Water and Wastewater Utilities

Weekly Counterterrorism Report

(TLP:AMBER) Canadian Government Report – Heightened Threat to Data Centers and the Infrastructure Sectors that Support Them

(TLP:AMBER) RE-ISAC Report – Understanding Behavioral Indicators to Prevent Targeted Violence

(TLP:GREEN) Incident Report – Man Charged in Years Long Public Water System Tampering Case

(TLP:CLEAR) Supplemental General Security & Resilience Highlights – October 15, 2026

(TLP:CLEAR) Vulnerability Notification – CISA Urges Patching Newly Exploited Vulnerability in Ivanti Connect Secure CVE-2026-104935 Used in Unauthenticated Root-Level RCE Chain

(TLP:AMBER) Vulnerability Notification – Citrix NetScaler Zero-Days Actively Exploited (Updated October 13, 2026)

(TLP:GREEN) Security & Resilience Update – Quarterly Incident Survey, Citrix NetScaler SAML Vulnerability, and More