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

Threat Awareness – BEC Campaigns Now Utilizing Residential IP Addresses to Increase Legitimacy

Study Finds Strong Correlation Between Increased Greenhouse Emissions and Increased El Niño/La Niña

Network Defense – Indicators of Compromise from a Ransomware Attack on a U.S. Entity

Vulnerability Awareness – Cisco Releases Security Advisory for Small Business Series Switches

CISA 2023 Hurricane Season Preparedness Webinar

New Tool from Columbia University Provides Local Information on Natural Hazards and Recommendations to Bolster Resilience

CISA ICS Vulnerability Advisories and Alerts, Updates, and Bulletins – May 23, 2023