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Man reviews data breach notification with multiple screens displaying alerts.

Substack Data Breach: Emails, Phone Numbers and Account Metadata Exposed

CyberSecureFox 🦊

Substack has notified users of a data breach in which email addresses, phone numbers and …

Aerial view of Microsoft headquarters with Eclipse Foundation signage nearby.

Open VSX Introduces Pre-Publication Security Scanning for VS Code Extensions

CyberSecureFox 🦊

The Open VSX extension registry, maintained by the Eclipse Foundation, is introducing automated, pre-publication security …

Two engineers analyze a cyber attack on a futuristic computer interface.

Metro4Shell (CVE-2025-11953): Critical React Native Metro Server Vulnerability Exploited in the Wild

CyberSecureFox 🦊

The critical vulnerability CVE-2025-11953, informally dubbed Metro4Shell, is being actively abused to compromise React Native …

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Nitrogen Ransomware Bug on VMware ESXi Makes Data Recovery Impossible

CyberSecureFox 🦊

A critical implementation error in Nitrogen ransomware targeting VMware ESXi hosts effectively converts each attack …