H-ISAC TLP Green Daily Cyber Headlines - August 29, 2025

Today’s Headlines: 

Leading Story

• Alert on Citrix NetScaler 0-Day RCE Exploited in the Wild

Data Breaches & Data Leaks 

• TransUnion Discloses Data Breach Affecting 4.4 Million Customers' Personal Information 

Cyber Crimes & Incidents

• Threat Actors Use Fake NDAs to Deliver Malware to US Manufacturers
• Lazarus Group Targets Windows 11 with ClickFix Tactics and Fake Job Offers

Vulnerabilities & Exploits  

• Cisco Nexus 3000 & 9000 Vulnerability Enables DoS Attacks

Trends & Reports

• CISA Publish Hunting and Mitigation Guide to Defend Networks from Chinese State-Sponsored Actors

Privacy, Legal & Regulatory

• Germany Charges Man Over Cyberattack on Rosneft Subsidiary
• NIST Releases Revision to the Security and Privacy Control Catalogue

Upcoming Health-ISAC Events

• Global Monthly Threat Brief   
  • Americas - September 24, 2025, 12:00-01:00 PM ET
  • European – September 25, 2025, 03:00-04:00 PM CET
• European Summit – Rome, Italy – October 14-16, 2025
• Fall Americas Summit – Carlsbad, California – December 1-5, 2025