I tested five antivirus programs on one PC in 2026. Norton 360 is the fastest, Bitdefender the lightest, and Avast the best free tier.

Microsoft has resolved a bug that caused Windows Defender to crash after a recent security update, resulting in 0xc0000005 ...

Best malware removal for Windows, Mac, Android and iPhone in 2026, with free options and a step-by-step guide to clearing ...

Microsoft fixes issue, but there are other fixes and mitigations available, too.

Once upon a time, an antivirus program would be the one of the first pieces of software you would install on a new Windows PC. Now, that’s much less common. Many users instead now rely on the Windows ...

The 'ShieldBreak' flaw can let an attacker use Windows Defender to escalate their privileges on the OS. Microsoft previously threatened legal action against the researcher, Nightmare Eclipse.

Microsoft Defender Antivirus is 99% effective at blocking threats. Data suggests most infections are due to user behavior. Businesses need specialized endpoint security software. Last April, someone ...

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

Using a Windows 11 PC is a great experience, but what about protecting it from cybercriminals with bad intentions? Fortunately, your Windows 11 PC comes with Windows Security built in, and it does a ...

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