Brute Force Password Protection: Time-to-Crack
How brute force attacks scale with password length, GPU cracking speeds, and what time-to-crack numbers actually mean.
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Tags: security, passwords, attacks
Brute Force Password Protection: Rate Limiting and Account Lockout Brute force attacks try every possible password combination until one works. Unlike dictionary attacks that start with likely candidates, brute force is exhaustive — it will eventually find any password, given enough time. The practical question is never "will brute force work?" but "how long will it take?" Your defenses should ensure that time is longer than the attacker is willing to wait — or longer than any realistic future hardware can accomplish. Two Types of Brute Force Online brute force attacks a live login endpoint directly. The attacker sends HTTP requests to your login form, trying passwords one at a time. This is visible in server logs, can be rate-limited, and is practically constrained by network latency and…
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