(TLP:CLEAR) Supplemental General Security & Resilience Highlights – May 21, 2026

The following posts are useful for general awareness of current physical security threats, natural disaster resilience, preparedness resources, mitigation guidance, and other security-related news or updates. These resources have been curated by the WaterISAC analyst team as items of broad relevance and benefit that do not need supplemental analysis at this time.

Natural Hazards/Climate Change

• Storms to bring beneficial rain to Plains, Southeast at the risk of flooding, damaging winds – AccuWeather
• Sandy Fire forces evacuation of nearly 44,000 Simi Valley residents – KTLA
• Officials say Stinky Fire destroyed 52 homes, damaged 25 more – ABC 7
• Wildfires Cause Highways to be Closed From Colorado to Texas – Homeland Security Today
• A ‘super El Niño?’ Why it’s too early to forecast one with certainty, but not too soon to prepare – Conversation
• An Ebola outbreak is spreading fast. Should you be worried? – Scientific American

Operational Resilience

• 2026 Summer Reliability Assessment – NERC
• Illegal cross-connection prompts boil water order in Riverton – KUTV
• Smuggling and Biolabs: The Growing Threat to America’s Biodefense From Within Our Borders – Homeland Security Today
• Bipartisan bill would create federal tax credit for industrial water reuse projects – Water World
• World Economic Forum Warns of Rising Global Fragmentation and Economic Conflict in 2026 Risks Report – Homeland Security Today
• Protecting People and Infrastructure: A 2026 World Cup Security Preview – Government Technology

Extremism/Terrorism

• Teen suspects in San Diego Islamic Center shooting could be tied to online extremist groups – ABC 7
• Joint Nigeria-US strikes kill 175 Islamic State group fighters, both militaries say – France 24
• Iraqi National Arrested and Charged with Providing Material Support to Iranian-Backed Terrorist Organizations and Directing Attacks Targeting U.S. Citizens and Interests – DOJ
• Georgian National Sentenced to 15 Years in Prison for Soliciting Hate Crimes and Planning Mass Casualty Attack in New York City – DOJ
• War Against Technology: An Analysis of Recent Developments in Anti-Technology Violence – International Centre for Counter-Terrorism