The newly disclosed Windows Defender flaw, tracked as CVE-2026-50656, could let attackers escalate privileges on fully ...

Microsoft has tackled yet another zero-day vulnerability published by a disgruntled security researcher with a vendetta ...

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

CISA says ransomware gangs are exploiting Microsoft Defender’s BlueHammer flaw, patched in April 2026 after zero-day reports.

PCWorld outlines five essential Windows Defender configuration changes to optimize security and performance on new Windows PCs. Key adjustments include disabling redundant system tray icons, turning ...

This app turned firewall rules from secret paperwork into buttons I could actually use.

CISA confirmed on Monday that ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability, dubbed BlueHammer, that has previously been abused in zero-day attacks.

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

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 ...

This month’s updates help security and IT teams strengthen identity and multicloud foundations, protect data wherever it ...

Windows administrators face a hard, irreversible deadline in three days: when July 14's cumulative update installs, Microsoft permanently removes the registry key that allowed domain controllers to ...