Dictionary attacks are an example of a hit and trial password-cracking technique that is commonly used by attackers. In this password-cracking technique, the attacker uses an automatic tool that tries all words that appear in the dictionary as the victim's password. As soon as a particular word matches the victim's password, the automated tool displays it on the screen. In other words, all dictionary words are tried as the password and if a word matches, it is then displayed on the screen as the password of the victim. One of the biggest problems with this type of an attack is that it takes up a lot of system resources and is relatively quite slow. Morever, this password cracking technique is rendered useless if the victim's password is not a word that appears in the dictionary.
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