A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I'm not explaining how this works.” ...

Microsoft announced that it has replaced the default scripting engine JScript with the newer and more secure JScript9Legacy on Windows 11 version 24H2 and later. The decision is driven by security ...

Microsoft’s Windows K2 initiative is mapping and tracking promised fixes to Windows 11, aiming to restore performance, reliability, and user trust. The effort comes amid industry-wide pressure to ...

Windows 11 update KB5083769 may break backups due to blocked drivers. Microsoft says it's not a bug and recommends updating ...

The leak online of exploit code for an apparent Windows zero-day flaw dubbed "BlueHammer" could be the sign of a larger issue that security researchers face when collaborating with Microsoft on ...

Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft Defender and Windows users.

The April 2026 KB5083769 security update breaks third-party backup applications from multiple vendors on systems running ...

A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit them. Now, hackers are taking advantage of the vulnerabilities in real life ...

Threat actors are using three publicly available proof-of-concept exploits to attack Microsoft Defender and turn the security platform's primary cleanup and protection functions against organizations ...

With Microsoft set to stop security updates for Windows 10 in October — unless you pay extra — security is top of mind for many businesses and individual users right now. And whether you’re planning ...

A new version of the Coyote banking trojan is targeting Windows users in Brazil, and it uses an insidiously novel technique. Security researchers at Akamai report that this malware takes advantage of ...

PCWorld reports that new AI-powered malware like DeepLoad threatens Windows 11 security by using fileless attacks that bypass traditional antivirus software. This fileless malware tricks users into ...