H-ISAC TLP Green: Daily Cyber Headlines - November 6, 2025

Today’s Headlines:  

Leading Story

• FIN7 Threat Actors Using Windows SSH Backdoor to Establish Stealthy Remote Access and Persistence

Data Breaches & Data Leaks 

• Attackers Breach Nuclear Waste Plant, Stealing Database

Cyber Crimes & Incidents

• Major Law Enforcement Operation Disrupts Large-Scale Online Fraud Scheme

Vulnerabilities & Exploits  

• WordPress Post SMTP Plugin Vulnerability Exposes 400,000 Websites to Account Takeover Attacks
• A Critical CentOS Web Panel Flaw Exploited by Threat Actors

Trends & Reports

• 71% of Data Breaches Impact Small Businesses
• Study Finds Half of Global Satellite Traffic Unencrypted and Exposed

Legal & Regulatory

• Scottish Government Sets Out Refreshed Cyber Resilience Strategy

Upcoming Health-ISAC Events

• Global Monthly Threat Brief   
  • Americas – November 25, 2025, 12:00-01:00 PM ET
  • European – November 26, 2025, 03:00-04:00 PM CET
  • Fall Americas Summit – Carlsbad, California – December 1-5, 2025

View the detailed report below.