Master Secure Coding
Master Secure Coding
Level up your security skills with hands-on code review challenges. Identify and fix vulnerabilities to become a better engineer.
Secure Banking 2FA
Review the backend code for SecureBank, a digital banking platform that recently implemented two-factor authentication for high-value transactions. The security team wants to ensure the new OTP verification system is properly secured before the next compliance audit. Focus on how the 2FA verification endpoint processes user input during the authentication flow.
Vulnerable Code
Instructions:
- Browse through the files to understand the application structure
- Find and click on the line containing the vulnerability
- Click "Check Line" to verify your answer
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