(U//FOUO) NCTC Counterterrorism Weekly: May 18 – 24, 2023

May 24, 2023 WaterISAC Cyber Threat Briefing

CISA ICS Vulnerability Advisories and Alerts, Updates, and Bulletins – May 25, 2023

Ransomware Resilience – Updated #StopRansomware Guide Now Available

Ransomware Trend Awareness – New Vulnerabilities Utilized in Q1 2023 Ransomware Attacks

Increasing Yearly Lake Water Losses Will Likely Lead to Increased Competition for Remnants

NOAA Predicts Near-Normal Atlantic Hurricane Season

Potential Supply Chain Impacts from Potassium and Sodium Permanganate Plant Fire (Updated May 25, 2023)

National Terrorism Advisory System (NTAS) Bulletins and Alerts – (Updated May 24, 2023)

Security & Resilience Update – Cyber Threat Briefing Tomorrow, Conservation Proposal for Colorado River, and More

States Introduce Breakthrough Conservation Proposal for Colorado River

Threat Awareness – Popular Secure Email Gateways Being Bypassed by SuperMailer Demonstrates Continued Evolution and Prolificacy of Credential Phishing