A week ago, the security researcher who goes by “Nightmare Eclipse” published information about RoguePlanet, a zero-day ...

All Windows PCs come with a built-in security feature called Windows Defender Application Control (WDAC), which helps prevent unauthorized software from running by allowing only trusted applications.

Windows Defender is a capable antivirus solution built into Windows itself. Unless you’ve installed a different antivirus program on your Windows 11 or Windows 10 PC, your PC is using it right now.

To permanently remove Windows Security, use Local Group Policy Editor, Windows Registry tweaks, or the Windows Defender Remover tool. Be cautious— removal can leave your PC vulnerable. Always back up ...

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

Both AVG and Windows Defender work to protect your PC from malware and other security threats. They both have major differences in the following aspects. AVG and Windows Defender mainly differ in ...

In a proof-of-concept, a security researcher demonstrated how the Windows Security Center API can be used to block the scans by Microsoft’s built-in antivirus tool. Windows Defender can be tricked ...

Recently, Microsoft released a Windows update on the down low that mainly fixes a major problem in Microsoft Defender Antivirus. This was first spotted and reported by Neowin. The update, called ...

Microsoft has decided to re-release its Windows 11 KB5007651 after one of its updates broke the Windows Security interface. The update in question was known as the Windows Defender Security update.

This method involves modifying a Registry value called DisableAntiSpyware. In older versions of Windows, this policy key was used by OEMs and IT administrators to disable Microsoft Defender Antivirus ...

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