03 Jan Practice Test Question – Images
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Rob is tracking down the unauthorized exfiltration of sensitive information from his organization and found suspicious emails sent by an employee to a Gmail address. The emails seem to only contain photos, but Rob suspects that the photos contain sensitive information. What technique might the employee have used to embed sensitive information within a photograph?
A. Steganography
B. Cartography
C. Psychology
D. Cryptography
Correct Answer: A
Steganography is a set of techniques used to hide information within other files, in plain sight. The most common application of steganography is hiding information within images.
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