SRU Newsletter Archive
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(TLP:GREEN) Security & Resilience Update – Important Updates on the Conflict with Iran, Q4 Quarterly Incident Report Now Available, and more

April 2, 2026

(TLP:GREEN) Security & Resilience Update – Ongoing Threats from the Iran Conflict, Watering-Hole ClickFix Attack IOCs and TTPs, and more

March 26, 2026

(TLP:GREEN) Security & Resilience Update – Updates on the Conflict in Iran, New WaterISAC – EPA: Information Sharing Bulletin, and more

March 19, 2026

(TLP:GREEN) Security & Resilience Update – Updates on the Conflict in Iran, CISA Issues Emergency Directive Update, and more

March 12, 2026

(TLP:GREEN) Security & Resilience Update – Iran Conflict Updates and Additional Indicators, Increasing Hacktivist Threats, and more

March 5, 2026

(TLP:GREEN) Security & Resilience Update – CISA Sends Emergency Directive to Mitigate Cisco Devices, Dragos 2026 OT Report, and more

February 26, 2026

(TLP:GREEN) Security & Resilience Update – WaterISAC Top Security Actions Fact Sheets, Hacktivists Exploitation of Flat IT/OT Connectivity, and more

February 19, 2026

(TLP:GREEN) Security & Resilience Update – CISA Releases Guidance for OT Owners and Operators, Vendor Incident Causes Widespread Disruptions, and more

February 12, 2026

(TLP:GREEN) Security & Resilience Update – Counterfeit PLC Discovered in Water Utility, CISA Directive on End-of-Support Edge Devices, and more

February 5, 2026

(TLP:GREEN) Security & Resilience Update – List of Recently Actively Exploited Devices, Physical Security Fact Sheet “Keys & Locks,” and more

January 29, 2026

(TLP:GREEN) Security & Resilience Update – Hacktivists Activity Surged in 2025, U.S. Severe Winter Weather Forecast, and more

January 22, 2026

(TLP:GREEN) Security & Resilience Update – CISA Releases Secure Connectivity Principles for OT, Network Segmentation Guidance, and more

January 15, 2026