Dictionary Attack Prevention: Stop Password Guessing
How dictionary attacks work, why common words and substitutions fail, and what makes a password truly dictionary-resistant.
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Tags: security, passwords, attacks
Dictionary Attacks: How They Work and How to Prevent Them The most effective password attacks don't start with and try every character combination. They start with the passwords people actually use. Dictionary attacks exploit the fact that humans are predictably creative: they choose words, add a number at the end, capitalize the first letter, and swap a few letters for symbols. These patterns are so common that crackers test them before resorting to brute force. How Dictionary Attacks Work A dictionary attack uses a wordlist — a file containing candidate passwords, one per line — and tests each against the target. In an offline attack (against a leaked hash database), this can run at billions of attempts per second for weak hash functions. The wordlist is the foundation. High-quality…
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