ZeroFox Weekly Intelligence Brief – November 29, 2025

ZeroFox Weekly Intelligence Brief – November 29, 2025

ZeroFox’s Weekly Intelligence Briefing highlights the major developments and trends across the threat landscape, including digital, cyber, and physical threats. ZeroFox Intelligence is derived from a variety of sources, including—but not limited to—curated open-source accesses, vetted social media, proprietary data sources, and direct access to threat actors and groups through covert communication channels. Information relied upon to complete any report cannot always be independently verified. As such, ZeroFox applies rigorous analytic standards and tradecraft in accordance with best practices and includes caveat language and source citations to clearly identify the veracity of our Intelligence reporting and substantiate our assessments and recommendations. All sources used in this particular Intelligence product were identified prior to 6:00 AM (EDT) on November 27, 2025; per cyber hygiene best practices, caution is advised when clicking on any third-party links.

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Cyberattack Hits CodeRED Platform, Disrupts Emergency Alerts

What we know:

• Threat actors have targeted CodeRED emergency notification platform, disrupting emergency alerts across the United States.
• The breach reportedly exposed personally identifiable information (PII), although no public leaks have yet been confirmed by the company.

IT Systems of Multiple London Councils Disrupted in Cybersecurity Incident

What we know:

• A cybersecurity incident has disrupted the IT systems of at least three London councils, including the Westminster City Council (WCC), a major local authority with important landmarks like the Palace of Westminster (Houses of Parliament), the Buckingham Palace, and 10 Downing Street.

Shai-Hulud Supply Chain Attack Floods Npm with Malicious Packages

What we know:

• A massive Shai-Hulud supply-chain attack has flooded the npm registry with over 500 trojanized packages, compromising over 25,000 developer secrets within three days.