What is a histogram as it applies to an alphabetic cipher?

The correct answer is B. A chart showing how frequently a letter is used in a file. A histogram is a chart showing how frequently each letter of the alphabet is used in a file. Histograms can be used to detect encrypted text.

Malware Analysis & Advanced Persistent Threats

Question

Options

AA history of modifications to a file
BA chart showing how frequently a letter is used in a file
CA chart showing packet sizes for a file as it travels the network
DA chart showing repetitive key strokes

How the community answered

(22 responses)

A
5% (1)
B
95% (21)

Explanation

A histogram is a chart showing how frequently each letter of the alphabet is used in a file. Histograms can be used to detect encrypted text.

Topics

#frequency analysis#alphabetic cipher#cryptanalysis#histogram

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