Encrypting File System (EFS) is a feature of which Windows file system?

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Prepare for the Computer Hacking Forensic Investigator v11 exam. Study with flashcards and multiple choice questions. Each question includes hints and explanations. Get exam-ready efficiently!

Multiple Choice

Encrypting File System (EFS) is a feature of which Windows file system?

Explanation:
The thing being tested is which Windows file system supports built-in per-file encryption. Encrypting File System (EFS) is not a separate file system; it is a feature that works with the Windows NT File System (NTFS). EFS protects each file by encrypting its contents with a per-file symmetric key, and then encrypting that key with the user’s public key. The encrypted data and the encrypted key are stored on the NTFS volume, leveraging NTFS metadata and security features to control access. Other listed file systems, like HFS+ (macOS), EXT2 (Linux), or NFS (network file system), do not provide EFS.

The thing being tested is which Windows file system supports built-in per-file encryption. Encrypting File System (EFS) is not a separate file system; it is a feature that works with the Windows NT File System (NTFS). EFS protects each file by encrypting its contents with a per-file symmetric key, and then encrypting that key with the user’s public key. The encrypted data and the encrypted key are stored on the NTFS volume, leveraging NTFS metadata and security features to control access. Other listed file systems, like HFS+ (macOS), EXT2 (Linux), or NFS (network file system), do not provide EFS.

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