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 ...

Defender is 'usually sufficient,' it says in a blog post that might rile up the antivirus industry.

Windows 11 users may not need third-party antivirus, according to Microsoft, which says Defender delivers strong default protection for everyday use.

Windows 11 security is now complete, with Defender replacing third-party antivirus through built-in real-time and behavioral ...

Microsoft explains if Windows 11 needs third-party antivirus in 2026 as Defender matches top tools and AI-driven threats ...