Microsoft pushed emergency patches this week for two zero-day vulnerabilities in Windows Defender, the antivirus software ...

Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by ...

On Wednesday, Microsoft started rolling out security patches for two Defender vulnerabilities that have been exploited in ...

Microsoft patched two actively exploited Defender zero-days affecting Windows systems and security components.

The system that defends your computer may be throttling your downloads.

Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft Defender and Windows users. No less than ...

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

IT security researchers are reporting internet attacks on the partly unpatched security vulnerabilities BlueHammer, RedSun, and UnDefend. These affect Windows Defender and allow, for example, the ...

Though many Windows 10 users opt for third-party antivirus protection, those who use Microsoft Defender may not be getting all of the protection they could. Here’s how to check your settings and what ...

At a time when cybersecurity is more fragile than ever and it feels like there’s a scam happening around every corner, using the right antivirus software on your computer has once again become a ...

Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing defense, ...

Microsoft claims Windows Defender is all the protection you need. I've been testing antivirus software for decades, and the evidence—not to mention the threats it can't protect you from—says otherwise ...