Microsoft

ACR Stealer: Two observed intrusion chains amid increased threat activity

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

Windows 10 KB5099539 out with RDP security upgrade, direct download links for offline ...

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

I tested Windows 11 July 2026 Updates. Here’s everything new, improved, and fixed

Windows 11 July 2026 Patch Tuesday Security update (KB5101650) adds Point-in-time Restore, Bluetooth fixes, File Explorer ...