SRU Newsletter Archive
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(TLP:GREEN) Security & Resilience Update – Guidance to Mitigate Iranian Cyber Activity, Continuing Hacktivist Attacks, and More

September 17, 2026

(TLP:GREEN) Security & Resilience Update – Potential Iranian Cyber Activity, Terrorist Threat Landscape on the 25th Anniversary of 9/11, and More

September 10, 2026

(TLP:GREEN) Security & Resilience Update – SonicWall SMA 1000 Vulnerabilities Actively Exploited, Iran Conflict Updates, and More

September 3, 2026

(TLP:GREEN) Security & Resilience Update – Shields Up Amid the Potential for Malicious Cyber Activity, Kennedy Jenks Ransomware Data Breach, and More

August 27, 2026

(TLP:GREEN) Security & Resilience Update – Agencies Warn of Active Targeting of Siemens S7 PLCs, Lessons from Recent PLC Attacks, and More

August 20, 2026

(TLP:GREEN) Security & Resilience Update – Cisco DOS Vulnerability Actively Exploited, Iran Conflict Situational Updates, and More

August 13, 2026

(TLP:GREEN) Security & Resilience Update – Ongoing Threat Activity Targeting PLCs, Wildfire Implications for Utilities, and More

August 6, 2026

(TLP:GREEN) Security & Resilience Update – Ongoing Malicious Cyber Activity in the Water Sector, CISA OT Isolation Guidance, and More

July 30, 2026

(TLP:GREEN) Security & Resilience Update – CISA Updates Iranian-Affiliated PLC Targeting Advisory, Water Utility Worker Threats, and More

July 23, 2026

(TLP:GREEN) Security & Resilience Update – NRWA and WaterISAC Announce Expanded Membership, SonicWall Zero Day Vulnerabilities, and More

July 16, 2026

(TLP:GREEN) Security & Resilience Update – Quarterly Incident Survey, First Reported Use of Agentic Ransomware, and More

July 9, 2026

(TLP:GREEN) Security & Resilience Update – Prolonged Extreme Heat Across the U.S., FortiBleed Exploitation IOCs, and More

July 2, 2026