One of the earliest examples is the Windows firewall (formally known today as the Microsoft Defender Firewall), which ... Protect your PC by enabling these 10 essential Windows 11 security ...

Microsoft Defender ... to a different folder on your PC that does not have controlled access to it. (You’ll just have to use third-party software to set up a schedule for regular backups.) ...

Windows Defender is the built-in security solution in Windows 11/10 and is enabled by default to protect your PC from viruses, malware, spyware, and PUPs. Windows Defender will scan the contents ...