noun
dictionary attack
A method of breaking a password or encryption by trying many possible words from a dictionary.
辞書攻撃は、よく使われるパスワードを片っ端から試す手法だ。
A dictionary attack is a technique that tries commonly used passwords one after another.
Brute-force attack tries all possible combinations, while a dictionary attack uses a precompiled list of likely passwords.
Compound of 辞書 (dictionary) and 攻撃 (attack), a direct translation of the English computing term 'dictionary attack'.