Which of the following security mechanisms is MOST effective in protecting classified data that have been encrypted to prevent disclosure and transmission outside the organization's network? A. Configuration of firewalls B. Strength of encryption algorithms C. Authentication within application D. Safeguards over keys
Correct Answer: D
Explanation:
Explanation:
If keys are in the wrong hands, documents will be able to be read regardless of where they are on the network. Choice A is incorrect because firewalls can be perfectly configured, but if the keys make it to the other side, they will not prevent the document from being decrypted. Choice B is incorrect because even easy encryption algorithms require adequate resources to break, whereas encryption keys can be easily used. Choice C is incorrect because the application “front door” controls may be bypassed by accessing data directly.
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