(TLP:GREEN) Several Recent Incidents of Political Violence in the U.S. Underscore the Heightened Threat Environment

(TLP:CLEAR) First Responder’s Toolbox: Third-Party Security Critical to Safeguarding Public Gatherings From Terrorist Threats

(TLP:AMBER+STRICT) E-ISAC Physical Security Report – Grid-Impacting Incidents (2023-2024)

(TLP:AMBER) DHS Report Examines the Persisting Threat from The Terrorgram Collective to Inspire Violence in the Homeland

(TLP:CLEAR) CTC Sentinel – March 2025: Analyzing the Growing Drone Threat to Public Safety and Critical Infrastructure

(TLP:GREEN) Insider Threat Incident – Former Employee Pleads Guilty to Tampering with Utility's Water Supply (Updated April 3, 2025)

(TLP:AMBER) April 2, 2025 WaterISAC Physical Threat Briefing

(TLP:AMBER) Quarterly Incident Survey (January to March 2025)

(TLP:AMBER) WaterISAC's Quarterly Water Sector Incident Summary, October to December 2024

(TLP:CLEAR) The U.S. Intelligence Community’s 2025 Annual Threat Assessment Highlights the Growing Cyber Threat to the Water Sector and the Enduring Threat of Violent Extremists

(TLP:GREEN) Incident Report – Terminated Utility Employee Reportedly Called in Bomb Threat to Former Workplace and Threatened to Poison the Water Supply

(TLP:AMBER) Fusion Center Report – Examining the Security Risk to Rail Systems from Violent Threat Actors