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Steganography is the art of using cryptographic techniques to embed secret messages within another message. All of the following are true about steganography except:
Steganography allows communicating parties to hide their messages in plain sight.
There are no legitimate or legal purposes to use steganography.
Steganographers often embed their secret messages within image or WAV files.
Steganography techniques are often used for illegal or questionable activities, such as espionage.
Steganography is actually used, legitimately, to add digital watermarks to documents to protect the intellectual property. The hidden information would only be known to the file's creator and can be used to trace unauthorized copies of the document/content back to the source. (Source: (ISC)2 Official Study Guide, 7th Edition). EDIT: So what about Digital Watermarking? That's not legitimate or legal? Agreed. This is not a good question as all of them are true. There are numerous legal & legitimate uses for this technique. Movies use it, songs use it, artists use it, even the government uses it. EDIT: I think the previous editors must have misread or this was changed without comment? The correct answer states "There are NO legitimate or legal purposes to use steganography" which is false. The question asks you to select the answer that is not true AKA false. What's the problem?
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