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Which of the following must a user implement if they wa…

Which of the following must a user implement if they want to send a secret message to a coworker by
embedding it within an image?

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A.
Transport encryption

B.
Steganography

C.
Hashing

D.
Digital signature

Explanation:
Steganography is the process of concealing a file, message, image, or video within another file, message,
image, or video.
Note: The advantage of steganography over cryptography alone is that the intended secret message does not
attract attention to itself as an object of scrutiny. Plainly visible encrypted messages, no matter how
unbreakable will arouse interest, and may in themselves be incriminating in countries where encryption is
illegal. Thus, whereas cryptography is the practice of protecting the contents of a message alone,
steganography is concerned with concealing the fact that a secret message is being sent, as well as concealing
the contents of the message.

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