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

Windows Defender has several security settings, including some you need to switch on to get the utmost protection. Here's why ...

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

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 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 ...

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 ...

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Windows Security does more than just basic virus protection. It guards against phishing, blocks ransomware, and prevents malicious apps from running. However, these features aren't easy to ...

PCWorld reports on the ‘RedSun’ vulnerability in Microsoft Defender affecting Windows 10, 11, and Server systems that allows attackers to gain administrative privileges. Security researcher Chaotic ...

Microsoft is simultaneously advancing its Windows K2 quality initiative, confronting a new security exploit targeting its Phone Link feature, and redefining Bing's search index for AI-generated ...

Update, April 30, 2025: This story, originally published April 28, has been updated with further information regarding the hotpatching security update service for Windows Server 2025 users, as well as ...