The files are encrypted when they are closed and are automatically ready to use once they are opened. At the same time, users can also select and encrypt individual files. This ensures that all files added to the encrypted folder are automatically encrypted. The typical method of using EFS is to perform encryption at the folder level. EFS explainedĮFS is a user-based encryption control technique that enables users to control who can read the files on their system. Instead, they see a warning message depending on the application trying to access the file and its data. Unauthorized users cannot open the files. EFS also ensures that only authorized users or intended recipients can decrypt the file, which they can with just a click of the button.Īdditional users such as administrators can also access these encrypted files, but to do this, they need the right permissions. The ultimate aim of EFS is to encrypt files on hard drives from unauthorized intruders who get access to authorized users' physical software.
NTFS itself is a built-in system used to store and retrieve files.
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