People's Republic of China State-Sponsored Cyber Actor Volt Typhoon (Updated December 14, 2023)

Vulnerability Awareness – Zero-Day Vulnerability Identified in Barracuda Email Security Gateway Appliances

TLP:AMBER Weekly Flashpoint Intelligence Reports: May 25, 2023

Ransomware Awareness – New Buhti Ransomware Leverages Leaked Code

Insider Threat Awareness – Study: Insider Threats Caused by Unintentional Human Error are Costly

CISA ICS Vulnerability Advisories and Alerts, Updates, and Bulletins – May 30, 2023

Security Awareness – File Extensions as Top-Level Domains Could Cause Confusion and may Become Potential Exploitation Vector

Threat Awareness – Phishing Attack Employs Encrypted File Attachments to Steal Microsoft Account Credentials

Security Awareness – Password Protected Files Becoming Increasingly Popular Method to Bypass Traditional Email Security

Ransomware Awareness – Ransomware Actors Overwhelmingly Target Backups First Once Inside Compromised Network

Supplemental Cyber Highlights – June 1, 2023

CISA ICS Vulnerability Advisories and Alerts, Updates, and Bulletins – June 1, 2023