An attacker quickly gains administrative access to a network device. Which of the following MOST likely allowed the attacker to guess the password?
A. Man in the middle
B. A brute-force attack
C. A hash comparison
D. Rainbow tables
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Brute Force would be guessing the password. Right?
Yes but it’s time consuming. On the other hand a rainbow table has the hashes pre computed so it only compares the hashes until it detects a match.
A rainbow table is a precomputed table for caching the output of cryptographic hash functions, usually for cracking password hashes. Tables are usually used in recovering a key derivation function up to a certain length consisting of a limited set of characters.