OTP Bypass Using Burp Suite and Labs | Ethical Hacking & Web Security Guide

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💡 Master OTP Bypass Techniques like an Ethical Hacker! In this hands-on tutorial, we dive deep into finding and exploiting logic flaws in One-Time Password (OTP) mechanisms using Burp Suite.

Many web applications have weak OTP implementations that can be bypassed, leading to account takeover and severe security breaches. Whether you're a bug bounty hunter, penetration tester, or a web security student, this guide will show you the methodology and tools to test for these critical vulnerabilities.

🔍 In This Video, You'll Learn:

The common logic flaws behind OTP/2FA bypass vulnerabilities.

How to set up your lab environment for safe, legal practice.

Step-by-step use of Burp Suite (Proxy, Repeater, Intruder) to intercept and manipulate OTP requests.

Practical techniques like response manipulation, brute-force, and race conditions.

How to identify if an application is vulnerable.

🛡️ Disclaimer:
This content is for educational and ethical purposes only. All demonstrations are performed in controlled lab environments (like PortSwigger's Web Security Academy) that are designed for security training. Only test systems you own or have explicit written permission to test.

📚 Lab & Resource Links:

PortSwigger Web Security Academy (OTP Bypass Lab): https://portswigger.net/web-security

Burp Suite Community/Professional: https://portswigger.net/burp

OWASP Authentication Cheat Sheet: https://cheatsheetseries.owasp.org/cheatsh...

⏰ Timestamps:
0:00 - Introduction & Why OTP Bypass Matters
2:15 - Understanding Common OTP Flaws
5:30 - Lab Environment Setup
8:10 - Burp Suite Configuration
12:45 - Intercepting the OTP Request
18:20 - Technique 1: Response Manipulation
23:50 - Technique 2: Brute-Force with Intruder
30:10 - Technique 3: Race Condition Exploit
35:40 - How to Defend Against These Attacks
38:00 - Conclusion & Key Takeaways

💬 Connect & Support:
Got questions? Drop them in the comments below!
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OTP bypass, 2FA bypass, Burp Suite tutorial, ethical hacking, web application security, penetration testing, bug bounty hunting, authentication bypass, OTP vulnerability, Burp Suite intruder, cybersecurity lab, PortSwigger lab, web security academy, account takeover, OTP flaw, ethical hacking for beginners, web hacking, security testing, API security, OWASP Top 10, cybersecurity guide, information security, man in the middle, request manipulation, response manipulation

Disclaimer: This tutorial is for educational purposes only. I am not responsible for any damage to your hardware, software, or data. Please be careful, back up your important files before making any changes to your system, and understand the commands you are running