Windows has a range of authentication methods for accessing your device, a firewall, an antivirus, a way to encrypt your drives and more.

Learn how BitLocker, passkeys, Microsoft Defender, and other Windows 11 security features protect your data, accounts, apps, and devices. Windows 11 comes with plenty of built-in security tools, but ...

Microsoft shipped its largest-ever security update on June 9, 2026, and the 2011 Secure Boot certificates inside Windows begin expiring in late June, which makes this the right month to stop ignoring ...

An upcoming October Windows update will turn on Memory Integrity by default—improving system security, but potentially ...

Follow ZDNET: Add us as a preferred source on Google. Windows 11 offers a variety of security settings designed to better safeguard your PC and personal files. But those settings tend to be scattered ...

Revolutionary is a big word; it positively effuses import. “Something markedly new or introducing fundamental change” is the definition I like best, and it’s ideally suited to this latest Microsoft ...

Enhance your Windows 11 security by using a USB security key. You can either buy a physical key like YubiKey or convert a regular USB drive into a security key using software like USB Raptor. This ...

Microsoft has expanded its Windows 11 administrator protection tests, allowing Insiders to enable the security feature from the Windows Security settings. First introduced in October in a preview ...

Smart App Control (SAC) is a security feature in Windows 11 that enhances protection against untrusted apps. When turned on, it helps block potentially unwanted, untrusted, malicious, or unsigned apps ...

Make Windows 11 feel faster with nine cleanup tips for startup apps, storage, background processes, updates, malware scans, and more. A slow Windows 11 PC does not always need replacing. Sometimes it ...