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Built a full-stack Capture The Flag (CTF) platform for cybersecurity learning and competitions. Designed progressive challenges across Web, Crypto, Forensics, and Pwn categories with automated flag verification. Implemented secure authentication, leaderboard system, and admin challenge management dashboard.

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DedSecCTF 🛡️💻

DedSecCTF is a web-based Capture The Flag (CTF) platform designed to challenge and enhance skills in Cybersecurity and Cryptography. It offers progressive challenges across Web, Crypto, Forensics, Pwn, and OSINT categories with real-time flag verification and leaderboards.


Features

  • Progressive Challenges: Difficulty increases as players solve previous tasks.
  • Multi-Domain Coverage: Web, Crypto, Forensics, Pwn, Reverse Engineering.
  • Automated Flag Verification: Instant feedback on submissions.
  • Leaderboard System: Tracks scores, ranks, and completion times.
  • Secure Authentication: Encrypted login and registration.
  • Admin Dashboard: Manage challenges, flags, and users.
  • Cybersecurity Hardening: Input sanitization, rate limiting, and safe execution.

Tech Stack

  • Frontend: HTML, CSS, JavaScript
  • Backend: JavaScript (Node.js / Firebase Functions)
  • Database: Firebase Firestore
  • Authentication: Firebase Auth
  • Hosting & Deployment: Firebase Hosting

Screenshots

Home Page Challenge Page Leaderboard


Installation

git clone https://github.com/Osama-web-dev/dedsec-ctf.git
cd dedsec-ctf
run index.html

About

Built a full-stack Capture The Flag (CTF) platform for cybersecurity learning and competitions. Designed progressive challenges across Web, Crypto, Forensics, and Pwn categories with automated flag verification. Implemented secure authentication, leaderboard system, and admin challenge management dashboard.

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