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Member-Reported Watering-Hole ClickFix Attack, IOCs and TTPs Shared

(TLP:AMBER) A member recently reported a watering hole-style ClickFix attack attempt to WaterISAC. Relevant IOCs and TTPs related to the activity are being shared for member awareness of watering hole and ClickFix tactics being used in the water sector.

Situation Report: Heightened Threat Environment – Potential Retaliation by Iranian Threat Actors Following U.S. Strikes on Iran (Updated March 26, 2026)

(TLP:AMBER+STRICT) The U.S.-Israeli conflict with Iran is now in its fourth week. U.S. and Israeli forces are continuing to conduct strikes across Iran, as Iranian forces persist in their retaliatory missile and drone attacks on regional countries, albeit at a reduced tempo. Despite media reports of potential negotiations between the warring parties, additional military personnel are currently enroute to the region, suggesting that the conflict could endure for at least a few more weeks. Since the last Iran update, WaterISAC has received additional reports concerning both ongoing cyber and physical security risks to critical infrastructure entities in relation to the conflict.

General Security and Resilience

(TLP:CLEAR) CTC Sentinel – March 2026: Examining Fifty Years of Extremists Attacks on U.S. Critical Infrastructure and the Islamic State-Inspired Bondi Beach Shooting

(TLP:AMBER) RE-ISAC Report – Tornado and Severe Weather Preparedness

(TLP:AMBER) E-ISAC Report – Russia’s Hybrid Warfare Strategy and Tactics in Europe with Implications for North America

(TLP:AMBER) Federal Government and Cross-Sector ISAC Reports Highlight Multiple Threats Associated with the 2026 World Cup

(TLP:AMBER) NCTC Counterterrorism Weekly: March 19 – 25, 2026

(TLP:CLEAR) Supplemental General Security & Resilience Highlights – March 26, 2026

Cybersecurity

(TLP:AMBER) Member-Reported Watering-Hole ClickFix Attack, IOCs and TTPs Shared

(TLP CLEAR) Weekly Vulnerabilities to Prioritize – March 26, 2026

(TLP:CLEAR) CISA ICS Advisories, Additional Alerts, Updates, and Bulletins – March 26, 2026

(TLP:AMBER) March 25, 2026 WaterISAC Cyber Resilience Briefing

WaterISAC Events

Water Sector Physical Threat Briefing

Water Sector Cyber Resilience Briefing

Water Sector Natural Disaster Threat Briefing

H2OSecCon- Virtual Conference

H2OEx- Camden, NJ

H2OEx- Chicago, IL