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CodeRED Emergency Alerts Downed by Ransomware; Major Banks Hit in Supply Chain Breach; Russia & North Korea APTs Collaborate

CodeRED Emergency Alerts Downed by Ransomware; Major Banks Hit in Supply Chain Breach; Russia & North Korea APTs Collaborate

November 26, 2025
6 articles (5 new, 1 updated)
18 min read

Summary

This cybersecurity brief for November 26, 2025, covers several critical incidents. A ransomware attack by the 'Inc Ransom' group has crippled the OnSolve CodeRED emergency alert system across the U.S., disrupting a vital public safety tool. In a major supply chain breach, financial tech vendor SitusAMC exposed sensitive data from top banks like JPMorgan Chase and Citi. Security researchers uncovered an unprecedented collaboration between Russian (Gamaredon) and North Korean (Lazarus) state-sponsored hacking groups using shared infrastructure. Additionally, a new, more destructive version of the 'Shai-Hulud' npm worm is causing widespread compromise, and CISA has issued warnings about spyware targeting Signal/WhatsApp users and multiple vulnerabilities in industrial control systems.

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