Best DEF CON CTF Archive Alternatives & Competitors in 2026
Top picks: ThreatSims One Platform, SudoCyber, Hack The Box Cyber Workforce Dev — plus 45 more compared.
Security OperationsTop picks: ThreatSims One Platform, SudoCyber, Hack The Box Cyber Workforce Dev — plus 45 more compared.
Security OperationsDEF CON CTF Archive is a free Cyber Range Training tool. Security professionals most commonly compare it with ThreatSims One Platform, SudoCyber, Hack The Box Cyber Workforce Dev, Hack The Box Business, and Hack The Box for Red Teams. All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to DEF CON CTF Archive, including their key features and shared capabilities.
Platform for hosting CTF contests and cybersecurity training events
Gamified cybersecurity training platform with hands-on labs and certifications
Enterprise platform for cybersecurity workforce training via hands-on labs & CTFs.
Enterprise platform for cybersecurity team training, labs, and skill gap assessment.
Hands-on red team training platform with labs, cyber ranges, and CTF assessments.
Gamified CTF platform for hosting cybersecurity team assessments and training.
Virtual hacking labs platform with 1,720+ hands-on cybersecurity challenges.
Hands-on blue team training platform for SOC, DFIR, and threat intel roles.
Platform for hosting CTF contests and cybersecurity training events
Gamified cybersecurity training platform with hands-on labs and certifications
Enterprise platform for cybersecurity workforce training via hands-on labs & CTFs.
Enterprise platform for cybersecurity team training, labs, and skill gap assessment.
Hands-on red team training platform with labs, cyber ranges, and CTF assessments.
Gamified CTF platform for hosting cybersecurity team assessments and training.
Virtual hacking labs platform with 1,720+ hands-on cybersecurity challenges.
Hands-on blue team training platform for SOC, DFIR, and threat intel roles.
Platform for building custom game-based cybersecurity training scenarios.
Web-based cyber hacking defense training platform with CTF-style exercises.
Social learning platform for CTF challenges, labs, and cybersecurity training.
Hosted platform for practicing AI red teaming via CTF-style challenges.
A collection of vulnerable ARM binaries designed for educational exploit development and vulnerability research practice across different architectures and exploitation techniques.
Mellivora Mellivora is a PHP-based CTF engine that provides comprehensive competition hosting capabilities with challenge management, team scoring, and administrative tools for cybersecurity competitions.
CloudGoat is a vulnerable-by-design AWS deployment tool that creates intentionally insecure cloud environments for hands-on cybersecurity training through capture-the-flag scenarios.
NightShade is a Django-based capture the flag framework that enables organizations to create and manage cybersecurity competitions with support for multiple contest formats and multi-tenant architecture.
Haaukins is an automated virtualization platform that provides hands-on cybersecurity education through capture the flag exercises in controlled vulnerable environments.
A lightweight CTF platform with simple setup and difficulty-based scoring that removes timezone advantages from competitions.
A deliberately vulnerable ARM/ARM64 application with 14 different vulnerability levels designed for CTF-style exploitation training and education.
A Node.js CLI tool that automates the setup of CTF events using OWASP Juice Shop challenges across multiple CTF frameworks.
SecGen is an open-source framework that automatically generates vulnerable virtual machines and hacking challenges for cybersecurity education and penetration testing training.
echoCTF is a cybersecurity framework for running Capture the Flag competitions and training exercises on real IT infrastructure.
FBCTF is a platform for hosting Jeopardy and King of the Hill style Capture the Flag competitions with support for various scales and participation models.
CTFd is a web-based framework for creating and managing Capture The Flag cybersecurity competitions with customizable challenges, scoring systems, and team management capabilities.
HackTheArch is an open-source Ruby on Rails-based scoring server platform designed for hosting and managing Cyber Capture the Flag competitions with web-based problem management and hint systems.
A comprehensive collection of free online laboratories and platforms for practicing penetration testing, CTF challenges, and cybersecurity skills development.
Root the Box is a real-time CTF scoring engine that provides a configurable platform for cybersecurity training through gamified wargames and competitions.
A lightweight CTF platform inspired by motherfuckingwebsite.com that provides simple hosting capabilities for cybersecurity competitions with equal-point scoring and minimal setup requirements.
A security dataset and CTF platform available in full (16.4GB) and attack-only (3.2GB) versions, pre-indexed for Splunk to help security professionals practice analysis skills.
A pre-indexed Splunk security dataset and CTF platform that provides realistic security data for training, research, and educational purposes for cybersecurity professionals and students.
MemLabs provides CTF-styled memory forensics challenges designed to teach students and security researchers how to analyze memory dumps using tools like Volatility.
A collection of 20 cross-site scripting challenges covering various XSS attack vectors and filtering bypass techniques for educational purposes.
A collection of Return-Oriented Programming (ROP) challenges designed for practicing binary exploitation techniques and developing offensive security skills.
An annual jeopardy-style capture-the-flag contest with challenges related to cybersecurity.
Platform for users to test cybersecurity skills by exploiting vulnerabilities.
A non-commercial wargame site offering pwn challenges related to system exploitation with different difficulty levels.
A free, safe, and legal training ground for ethical hackers to test and expand their skills
Blue-team capture the flag competition for improving cybersecurity skills.
A Capture The Flag (CTF) platform for testing computer security skills
Cyber range platform for training, testing, and validating security controls.
AI-driven tabletop exercise platform for cyber crisis simulation training
Cyber range platform for training, testing, and validating security readiness
Catalog of simulated attack scenarios for cyber defense training and validation
Hands-on cybersecurity training platform with gamified labs and challenges
Cooperative incident response card game for tabletop exercises and IR training
Gamified cyber range workshops for security product demos and training
Platform for operational cyber readiness training and exercises
Common questions security professionals ask when evaluating alternatives and competitors to DEF CON CTF Archive.
The most popular alternatives to DEF CON CTF Archive include ThreatSims One Platform, SudoCyber, Hack The Box Cyber Workforce Dev, Hack The Box Business, and Hack The Box for Red Teams. These Cyber Range Training tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
