UAC-0145 uses fake CAPTCHA checks on compromised sites to push Windows malware, while COWARDDUCK backdoors Android devices ...

Everyone has to deal with File Explorer. It is, after all, the Windows feature you use to get around the file system, organize data, copy and move folders, access external drives, and more. Over the ...

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 ...