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

Microsoft is using AI and MDASH to find Windows vulnerabilities faster and improve security update reliability.

Security researcher Chaotic Eclipse (aka Nightmare-Eclipse and MSNightmare) has released a new Windows BitLocker bypass dubbed GreatXML, a day after they published an exploit for Microsoft Defender.

Do you still need third-party antivirus on your Windows PC?

Microsoft Defender offers great protection from malware -- but there are other online threats you might want to consider, too.

Virtual Desktops allow us to segregate our work. It has a lot of advantages, such as a decluttered workspace, multitasking capabilities, and more. However, some users complain that Virtual Desktop is ...

Security researcher Nightmare Eclipse has released a new Windows BitLocker bypass, only one day after publishing an exploit targeting Microsoft Defender. Named GreatXML, the fresh exploit allows users ...

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 ...

Make Windows 11 feel faster with nine cleanup tips for startup apps, storage, background processes, updates, malware scans, ...

Configure and manage Microsoft Defender Antivirus with the MpCmdRun command-line tool Use the MpCmdRun.exe command-line tool to run scans, manage security intelligence updates, and configure Microsoft ...