A security administrator discovers an image file that has several plain text documents hidden in the file.
Which of the following security goals is met by camouflaging data inside of other files?

A.
Integrity

B.
Confidentiality

C.
Steganography

D.
Availability

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.
Incorrect Answers:
A: Integrity it computing terms proves that a person, file, computer or data is who it says it is. Hashing is
used to prove the integrity of data to prove that it hasn’t been modified. Integrity is not the process of
camouflaging data inside of other files.
B: Confidentiality defines who should be able to view information. Confidentiality is not the process of
camouflaging data inside of other files.
D: Availability in computing terms is used to ensure that a system remains online and accessible
(available) in the event of a failure of a component. Availability is not the process of camouflaging data
inside of other files.

Dulaney, Emmett and Chuck Eastton, CompTIA Security+ Study Guide, 6th Edition, Sybex, Indianapolis,
2014, pp. 323, 259, 414
http://en.wikipedia.org/wiki/Steganography