Книга: Windows Server 2012 R2 Storage, Security, & Networking Pocket Consultant

Encrypting drives and data


NTFS has many advantages over other file systems you can use with Windows Server. One advantage is the capability to automatically encrypt and decrypt data by using the Encrypting File System (EFS). When you encrypt data, you add an extra layer of protection to sensitive data, and this extra layer acts as a security blanket blocking all other users from reading the contents of the encrypted files. Indeed, one of the great benefits of encryption is that only the designated user can access the data. This benefit is also a disadvantage in that the user must remove encryption before authorized users can access the data.

NOTE As discussed previously, you can’t compress encrypted files. The encryption and compression features of NTFS are mutually exclusive. You can use one feature or the other, but not both. Note also that ReFS doesn’t support this type of encryption.

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