Distinguishing confidentiality from integrity
A fictional organization encrypts a backup with a suitable algorithm and protects the key separately. Which goal does encryption most directly support if someone obtains the encrypted backup without its key?
A
Proof that no authorized user could ever misuse decrypted data.
B
Keeping the backup’s contents confidential from someone who lacks the key.
C
A guarantee that the backup can never be deleted.
D
A guarantee that every restored file is malware free.
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