H-ISAC TLP White: Daily Cyber Headlines - October 23, 2026

Today’s Headlines:  

Leading Story

• Arista Warns of Critical VeloCloud SQL Injection Zero-Day Exploited in Attacks

Data Breaches & Data Leaks 

• Ridgeway Pharmacy Data Breach Affects 259,000 Individuals

Cyber Crimes & Incidents

• SEO Poisoning Campaign Delivers New Armorsteal Malware

Vulnerabilities & Exploits

• Oracle Patches Over 1,200 Vulnerabilities With October 2026 CPU
• Node.js Brotli Decoder Bug Could Allow Remote Code Execution in All Supported Versions

Trends & Reports

• Leveraging Android Intrusion Logs to Expose Advanced Threats
• The Current Landscape of OAuth Attacks

Privacy, Legal & Regulatory

• Nothing To Report

Upcoming Health-ISAC Events

• Global Monthly Threat Brief 
  • Americas – October 27, 2026, 12:00 PM - 1:00 PM ET
  • European – October 28, 2026, 03:00-04:00 PM CET
  • APAC – October 30, 2026, 01:00-02:00 PM AEST

View the detailed report below.