Cyber Security Complete Course 2026 | From Zero to Job Ready Ethical Hacker + Blue Team Expert | The Techzeen - Cyber Security Tutorial #22: John The Ripper | Crack Hashes FAST (Kali Linux 2025)

John the Ripper — Crack Hashes FAST 🚀 (Offline Password Cracking) (Theory + Practical) In this Cyber Security Tutorial, I explain offline password cracking and demonstrate John the Ripper in Kali Linux so you understand how attackers recover passwords and how defenders should respond. This video is beginner-friendly, hands-on, and focused on learning — not misuse. What you’ll learn: ✅ What is offline cracking and why it’s faster/stealthier than online attacks ✅ Introduction to John the Ripper — formats, attack modes, pot file, --show ✅ How wordlists, rules, and masks work (why list quality & rules matter) ✅ Live demo flow (prepare hash, ensure password in list, run John, view results) ✅ Defensive summary: switch to slow/memory-hard hashes (Argon2/bcrypt), use unique salts, enforce MFA & strong passphrases ⚠️ DISCLAIMER — READ BEFORE WATCHING Educational Use Only: All demos in this video were performed in a controlled environment on systems I own or authorized lab platforms (TryHackMe / Hack The Box / local VMs). Do not run John the Ripper or any cracking tools against systems you do not own or lack written permission to test. Misuse is illegal and unethical. I am not responsible for any misuse of this information. ⭐ Learn defensively — understand attacker tools so you can protect systems. 📢 Subscribe to The Techzeen & become a Cyber Security & Ethical Hacking Expert in 2025 🔔 John The Ripper Offline-Password-Cracking (Repo - Educational Pupose Only): https://github.com/farzeen-ali/John-The-Ripper-Education-Purpose-Only Cyber Security Concepts: https://github.com/farzeen-ali/Cyber-Security-Concepts Cyber Security Full Course 2025: https://www.youtube.com/playlist?list=PL5OhSdfH4uDuCcQ-NZ4lYa3S07FQTFtrY DevOps Tutorial 2025: https://www.youtube.com/playlist?list=PL5OhSdfH4uDsyUM02ZHl2mOYBpihCYsml React Native Full Course 2024 : https://www.youtube.com/playlist?list=PL5OhSdfH4uDuUpj3fwknoUVBkT2oMXyOl #CyberSecurityTutorial #JohnTheRipper #CrackHashes #PasswordCracking #OfflineCracking #KaliLinux #HashCracking #InfoSec #EthicalHacking #PasswordSecurity #TheTechzeen #CyberSecurity2025 #CyberSecurityFullCourse #EthicalHackingFullCourse