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Question:
One of your users cannot remember the password for their laptop. You want to recover that password for them. You intend to use a tool/technique that is popular with hackers, and it consists of searching tables of precomputed hashes to recover the password. What is the BEST descriptions for this?
A
Rainbow table.
explanation
A rainbow table is a table of precomputed hashes, used to retrieve passwords. A backdoor is used to gain access to a system, not to recover passwords. Social engineering and dictionary attacks can both be used to gain access to passwords, but they are not tables of precomputed hashes.
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