The notorious imageboard 4chan suffered a major security breach in April 2025, resulting in the leak of moderator emails, source code, and internal data. Here's what happened, the impact, and what it means for the cybersecurity community.
Cyber-attacks
- CISA adds critical CrushFTP authentication bypass vulnerability (CVE-2025-31161) to its Known Exploited Vulnerabilities catalog after widespread exploitation in ransomware campaigns. Learn how to protect your file transfer systems now.
- Apple issues emergency updates for three zero-day vulnerabilities (CVE-2025-24200, CVE-2025-24201, CVE-2025-24085) being actively exploited in sophisticated attacks against specific targeted individuals. Update your devices now.
- Microsoft releases emergency patch for actively exploited Windows CLFS driver zero-day vulnerability CVE-2025-29824. Learn how to protect your systems now.