WaterISAC – EPA: National Security Information Sharing Bulletin – Q4 2025

(TLP:CLEAR) WaterISAC and EPA have released the latest quarterly edition of the National Security Information Sharing Bulletin (ISB), developed for water and wastewater utilities. Each issue focuses on key security and resilience topics, including cybersecurity, physical security, and natural disasters. This issue highlights the risk of weaponized supply chains and the potential impact to critical infrastructure operations…