Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, ...

Explore July 2026 Microsoft Security updates, including agentic defense, AI threat protection, identity, data security, and ...

Microsoft Defender will continue to work in Windows 10. Defender will receive regular security updates until October 2028. Microsoft still recommends Windows 11 for new security patches. You probably ...

A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows machines to write files large enough to completely consume available disk ...

For most people using a supported and fully updated Windows 11 computer, yes: Microsoft Defender Antivirus and the other protections inside Windows Security are sufficient as the primary antivirus.

With password attacks and ransomware on the rise, Microsoft has announced the general availability of Microsoft Defender for individuals, a premium, cross-platform, consumer security application for ...

Microsoft Defender Experts for Hunting, a new managed security service for Microsoft 365 Defender customers, is now generally available. Announced in May, Defender Experts for Hunting provides ...

Windows Defender is a crucial security tool designed to protect your system from harmful files and malware in Windows 11/10. However, dealing with it can sometimes be frustrating, as it mistakenly ...

As hackers and scammers continue to plague the online safety of computer users across the globe with phishing schemes and computer-crashing viruses, it's arguably never been more important to have ...

Microsoft retires its legacy Threat Intelligence portal August 1. Review four checks for licenses, permissions, projects, ...

Microsoft Defender (previously Windows Defender) has been a part of the Windows operating system since the early 2000s, with Microsoft improving and iterating on it up to the present — and presumably ...