Encrypting File System EFS

The EFS feature, which encrypts files and folders to help protect data from unauthorized access, is similar to EFS in prior Windows operating systems. Users who have authorized keys are able to access and work with encrypted files just as they would with any other file. Unauthorized users are denied access. Windows Vista adds new security, performance and manageability features including storage of user and recovery keys on smartcards, encrypting Windows page file, and encrypting the offline files cache. In addition, a number of group policy options have been added to Windows Vista to help system and security administrators define and implement organizational policies for EFS.

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