False, a brute force attack is not efficient means of breaking a system by trying every possibility for passwords or keys.
A brute-force assault in cryptography entails the attacker providing several passwords or passphrases in the hopes that one will eventually be correctly deciphered. All potential passwords and passphrases are thoroughly checked by the attacker until the right one is discovered. Or, A brute force attack is a hacking technique that makes use of trial and error to break encryption keys, passwords, and login credentials. It is a straightforward but effective strategy for getting unauthorized access to user accounts, company systems, and networks. A few hundred estimates are made by typical brute force attacks every second. Simple passwords, such as those without a mix of capital and lowercase letters and those that contain well-known phrases like "123456" or "password," can be broken in a matter of minutes.
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