A zero-day exploit circulating online allows people with physical access to a Windows 11 system to bypass default BitLocker ...

PCWorld reports on the ‘BlueHammer’ zero-day vulnerability that allows attackers to potentially take over Windows computers through privilege escalation. A frustrated security researcher published the ...

A publicly disclosed and widely unpatched zero-day vulnerability, named YellowKey, permits anyone with physical access to a device running Windows ...

Windows includes built-in exploit protection that limits the damage hackers can do even when software vulnerabilities exist. The tool offers system-wide and app-specific settings, though enabling ...

PCWorld highlights Smart App Control, a crucial Windows 11 security feature that screens apps through Microsoft’s cloud service to protect against malware and compromised executables. A February 2026 ...

Ransomware is running rampant, but there are several ways individuals and admins can protect their Windows PCs. Here’s what ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. This voice experience is generated by AI. Learn more. This ...

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

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

Microsoft has released out-of-band (OOB) security updates to patch a critical-severity Windows Server Update Service (WSUS) vulnerability with publicly available proof-of-concept exploit code. WSUS is ...

Microsoft deleted an official Windows 11 blog that claimed users no longer needed third-party antivirus software like McAfee ...

Not all Windows updates are security updates, but even scheduled cumulative updates that add new features to the operating system platform sometimes impact security areas. Take, for example, the ...