H-ISAC TLP White: Daily Cyber Headlines - October 17, 2025

Today’s Headlines:   

Leading Story

• Windows Improper Access Control Vulnerability Exploited in Attacks

Data Breaches & Data Leaks 

• Prosper Data Breach Exposed 17.6 Million People's Information

Cyber Crimes & Incidents

• PhantomVAI Loader Attacking Organizations Worldwide to Deliver AsyncRAT, XWorm, FormBook, and DCRAT
• Chinese Threat Group Jewelbug Quietly Infiltrated Russian IT Network for Months

Vulnerabilities & Exploits  

• Adobe Experience Manager Forms Zero-Day Vulnerability Exploited in Attacks

Trends & Reports

• Extortion and Ransomware Drive Over Half of Cyberattacks

Privacy, Legal & Regulatory

• New Cybersecurity Law Protects Oklahoma’s Data, Pressures Businesses to Act
• California Enacts 30-Day Data Breach Notification Deadline

Upcoming Health-ISAC Events

• Global Monthly Threat Brief
  • Americas - October 28, 2025, 12:00-01:00 PM ET
  • European – October 29, 2025, 03:00-04:00 PM CET
  • Fall Americas Summit – Carlsbad, California – December 1-5, 2025