ACR Stealer campaigns use ClickFix lures, JPEG steganography, and WebDAV to steal browser tokens, passwords, PDFs, and synced ...

From late April 2026 to mid-June 2026, Microsoft Defender Experts observed increased ACR Stealer activity across customer ...

This week’s ThreatsDay Bulletin covers spyware-laced game cheats, fake installers, infostealer, ransomware, phishing kits, ...

One of the Russian government’s most elite hacking groups has adopted an attack, known as Clickfix, to compromise devices ...

Windows 10 KB5099539 is out for July 2026, adding SHA-2 RDP certificate support and continuing the Secure Boot 2023 ...