This cybersecurity brief for November 19, 2025, covers a critical period marked by urgent zero-day patching and high-stakes ransomware attacks. Google rushed to fix the seventh actively exploited Chrome zero-day of the year (CVE-2025-13223), a type confusion bug in the V8 engine. Concurrently, the Pennsylvania Attorney General's office confirmed a major data breach by the Inc Ransom group, who exploited a Citrix vulnerability to exfiltrate 5.7 TB of sensitive data. Other significant events include CISA adding a Fortinet FortiWeb flaw to its KEV catalog, international sanctions against a Russian bulletproof hosting network, and multiple data breaches affecting DoorDash and healthcare providers due to phishing and supply chain weaknesses.
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