November 2025: Major Cyber Attacks Ransomware Attacks, Data Breaches
November 2025 proved to be another pivotal month in the global cybersecurity landscape. Organizations across sectors faced widespread data breaches, major operational disruptions, and highly coordinated supply chain attacks. One of the most alarming incidents was the cyberattack on the London Councils, which triggered emergency service disruptions impacting more than half a million residents — a powerful reminder that local authorities remain extremely vulnerable to full-scale operational shutdowns. In the digital finance sector, the $120 million Balancer DeFi breach showcased the increasing sophistication of crypto-focused threat actors, who continue to exploit logic gaps in widely adopted blockchain protocols. Several high-profile institutions also suffered exposure of sensitive data this month. Notable victims included The Washington Post, the University of Pennsylvania, and real estate financial services leader SitusAMC. Even consumer-facing giants like DoorDash were affected, unde...