Supplemental Cyber Highlights – June 1, 2023

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

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

Canadian Centre for Cyber Security – Preparedness, Resilience, and Security Awareness Resources - (Updated June 1, 2023)

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

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

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

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

Ransomware Awareness – New Buhti Ransomware Leverages Leaked Code

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

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

May 24, 2023 WaterISAC Cyber Threat Briefing