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.

The Sgin 15.6-Inch Windows 11 Laptop, which has fast processing speeds and an ample amount of storage space, is 49% off at Walmart.

Vulnerable drivers can cause harm to your Windows computer. To protect your PC from vulnerable drivers, Microsoft has now introduced the Vulnerable Driver Blocklist in Windows Security. This feature ...

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 ...

Microsoft's Linux server distribution is now available as an ISO to install on your own server or virtual machine.

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

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

Arctic Wolf says Anubis affiliates abused RMM tools, VPN logins, RDP, PsExec, and cloud-transfer tools before ransomware ...

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