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

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.

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 ...

Microsoft is trying to fix the RoguePlanet zero-day vulnerability impacting Defender on Windows 11 and Windows 10.

We installed WSL Containers on Windows 11, built a custom container from scratch, tested it, and checked what still needs ...

In-game stuttering is an issue of the past ...

Use the table of contents to jump to a section The 2026 INEOS Grenadier is a midsize luxury SUV aimed at buyers who are tired of overcomplicated SUVs and want something that feels mechanical, rugged, ...

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

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

Stop settling for the default Windows experience. These 35 hidden features unlock smarter workflows, better customization, ...

Microsoft extended consumer Windows 10 security updates to 2027, with a no-cost option for eligible PCs and separate rules ...