Warlock ransomware

Entity category: technology

BigTech Companies

Warlock ransomware exploits SharePoint flaws, warns Microsoft

July 25, 2025
Abstract digital artwork: glowing blue cubes linked by a metallic chain on a dark circuit board, suggesting data security.

A Chinese hacking group (Storm-2603) is exploiting SharePoint vulnerabilities to deploy Warlock ransomware, targeting over 420 unpatched systems using zero-day…

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BigTech Companies

Ransomware Attacks Target Vulnerable SharePoint Servers

July 25, 2025
Close-up of a laptop with the word 'ransomware' in red on the screen, and a padlock on the keyboard, illustrating cybersecurity threats.

Chinese-linked threat actors are exploiting critical SharePoint vulnerabilities (CVE-2025-53770 and CVE-2025-53771) to deploy Warlock ransomware, targeting over 400 organizations, including…

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