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John the Ripper: Cracking Hashes
John the Ripper: Cracking Hashes John the Ripper cracks password hashes offline, by guessing. It auto-detects many hash types. Helpers like zip2john and ssh2john turn protected files and keys into hashes John can try. Lab only. Cracking your own lab password dump shows which users chose weak passwor
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What this card says
What it is
John the Ripper cracks password hashes offline, by guessing. It auto-detects many hash types.
How it works
Helpers like zip2john and ssh2john turn protected files and keys into hashes John can try.
Lab only.
Why it matters for security
Cracking your own lab password dump shows which users chose weak passwords.
The fix is stronger passwords and slow hashing.
Learn more in the lesson: 22.3 John the Ripper: Cracking Hashes