John the Ripper
N/A
John the Ripper
John the Ripper · N/A · John the Ripper · jon thuh RIP-er · JtR · John password cracker · Cybersecurity · passwords · tools · offensiveCybersecurityJtR John password cracker/jon thuh RIP-er/
Also known as: JtR, John password cracker
Last updated August 9, 2026
Definition
John the Ripper is a classic password-cracking suite for auditing weak passwords across many hash and archive formats.
Real-World Example
Running John against /etc/shadow hashes in a lab to find accounts with trivial passwords.
References
Related terms
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