Controlled Access Folder - protect Windows system files
According to Microsoft, “Controlled folder access helps you protect valuable data from malicious apps and threats, such as ransomware“. When you use Controlled Access Folder, Microsoft is offering “All apps (any executable file, including .exe, .scr, .dll files and others) are assessed by Windows Defender Antivirus, which then determines if the app is malicious or safe. If the app is determined to be malicious or suspicious, then it will not be allowed to make changes to any files in any protected folder”. By default, Microsoft adding the system files under this controlled Access Folder, but you can add your own files and folder to this protected folder to secure from hackers.