2fa

Abstract

1. Introduction

For a live demo of this application, visit https://2fa.scheb.de.

This bundle provides two-factor authentication for your Symfony application.

ℹ The repository contains bundle versions ≥ 5, which are compatible with Symfony 4.4 or later. The older (unsupported) versions are located in the scheb/two-factor-bundle repository.

2. Objective

Two-factor authentication for Symfony applications 🔐

This project demonstrates how PHP can be applied to a real-world Cybersecurity & Ethical Hacking problem.

4. Technology Stack

5. System Requirements

General requirements for this technology stack — check the README for exact versions.

• PHP 7.4+ with a web server (XAMPP / WAMP / LAMP)
• MySQL / MariaDB
• phpMyAdmin (optional)
• Git (to clone the repository)

6. Installation & Setup

git clone https://github.com/scheb/2fa.git
cd 2fa

Full setup instructions are in the project README.

7. Future Enhancements

Suggested extensions you can add to make this your own project.

• Add logging and alert notifications (email / Telegram)
• Write a threat model document for the tool
• Package it with Docker for safe lab testing

8. Viva / Review Questions

Common questions examiners ask for projects in this domain.

1. Which threat or attack does this project defend against?
2. What detection or protection technique is used and what are its limits?
3. How are false positives and false negatives handled?
4. Which cryptographic algorithms or security standards are involved?
5. What legal and ethical rules apply when testing a tool like this?

9. Source Code & License

This project is developed by scheb and published on GitHub under the MIT License. Please follow the license terms and credit the original author when you use or modify this code.