Windows Defender zero-day CVE-2026-50656 — known as RoguePlanet — has been patched by Microsoft 29 days after researcher ...

Dave Plummer rebuilt Notepad in 2.5KB using only what Windows already ships, exposing how bloated Windows 11's own Notepad ...

BlueHammer became public on April 2 in an unusual fashion. A researcher using the names Chaotic Eclipse and Nightmare Eclipse ...

Can a VPN protect you from hackers? Learn how VPNs help secure your connection, when they work, and where they fall short.

Windows 11 26H2 adds PC controls for Search, updates, elevation, and layout, but tested features may still change pre-release ...

In October 2025, Microsoft Threat Intelligence identified destructive wiping activity and uncovered a sophisticated Go programming language (Golang)-based backdoor we now track as GigaWiper, a ...

Key TakeawaysThe "Unknown Hard Error" in Windows 11 can happen when important system processes like explorer.exe and sihost.exe crash, causing problems like a black screen or missing taskbar. It ...

Microsoft patches the Defender vulnerability known as RoguePlanet, roughly one month after a researcher published a zero-day ...

Microsoft says AI is reshaping Windows security from development to updates, but one key step still falls on customers to ...

Learn how Microsoft uses AI to proactively harden its own cloud services through the Secure Future Initiative (SFI).

Louis Mastelinck previews common Entra ID pitfalls around authentication, Conditional Access, privilege and app consent.

At times, you may not be able to turn Real-time protection on or off in Windows Defender on Windows 11. There could be many reasons for this error, so we have compiled some common causes along with ...