WaterISAC Resource Center

(TLP:CLEAR) Vulnerability Notification – Active Exploitation of Check Point VPN Authentication Bypass Vulnerability, CVE-2026-50751

(TLP:CLEAR) WaterISAC – EPA: National Security Information Sharing Bulletin – Q2 2026

(TLP:AMBER) New IOCs (Stryker) and Malware Analysis Report (F5 BIG-IP)

(TLP:GREEN) Security & Resilience Update – Recent Iranian Threat Actor Cyber Activity, SANS Shares Why VPN and MFA is Not Enough for OT, and More

(TLP:CLEAR) Supplemental General Security & Resilience Highlights – June 4, 2026

(TLP:CLEAR) EPA to Conduct 2026 National Cyber Drill Focused on Operating Without Telecommunications and Internet Connectivity

(TLP:CLEAR) CISA and Partners Urge Hardening Automatic Tank Gauge Systems

(TLP:CLEAR) New SANS Framework Helps Organizations Assess AI Security Readiness

(TLP:CLEAR) Privilege Escalation Vulnerabilities Affect Phoenix Contact PLCnext Controllers

Weekly Counterterrorism Report

(TLP CLEAR) Weekly Vulnerabilities to Prioritize – June 4, 2026

Tip of the Week – June 4, 2026