If you don’t know the exact password, you won’t be able to decrypt the content of encrypted files, which makes them effectively unusable. While you can still read files “locked” with ACL attributes on another PC by simply changing or bypassing the attributes, encrypted files cannot be accessed as easily even if you have low-level access to the original disk. It is impossible and plain inefficient to recover such files in the direct disk access mode, even if their details are available in the MFT (Master File Table). NTFS encryption works differently compared to access control rights management. Not to be mistaken with access control rights, the encryption will actually alter the contents of the files, encrypting them with a strong encryption key derived from the user’s Windows account password. NTFS file encryption adds an extra layer of security. Effectively, NTFS access control lists are nothing to worry about when recovering information – if you have administrative rights on a given PC. For this reason, pretty much data recovery algorithm will ignore file access permissions by reading the disk directly, bypassing the high-level API of the file system. As many files belong to different users, including the operating system itself, strict obedience to permissions set in the access control list would restrict system administrators from being able to recover users’ files, or at least slow down the process significantly.
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