Practice cybersecurity skills, penetration testing, and CTF challenges.
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- Bugcrowd Free
- Crowdsourced security platform connecting organizations with ethical hackers.
- bWAPP Free
- Buggy web application providing a safe environment for security enthusiasts to practice.
- CloudGoat Free
- Rhino Security Labs' vulnerable by design AWS deployment tool for cloud security.
- Corelan Exploit Tutorials Free
- Classic exploit writing tutorial series covering stack overflows and advanced exploitation.
- DVWA Free
- Deliberately vulnerable web app for security practice.
- Enigma Group Free
- Security challenges and wargames.
- Exploit Database Free
- Ultimate archive of exploits shellcode and security papers by Offensive Security.
- Google Gruyere Free
- Hands-on web security lab for learning common vulnerabilities and exploits.
- Guyinatuxedo Free
- Introduction to binary exploitation and reverse engineering with hands-on challenges.
- Hacker101 Free
- Free web security training platform from HackerOne with videos and CTF-style exercises.
- HackerOne Free
- Bug bounty platform where hackers can practice skills and earn rewards.
- HackThisSite Free
- Free hacking challenges and exercises.
- Intigriti Free
- Europe's ethical hacking and bug bounty platform for security researchers.
- Kali Linux Free
- Free penetration testing Linux distribution.
- Kubernetes Goat Free
- Vulnerable by design Kubernetes cluster for learning container security.
- Malware Unicorn RE101 Free
- Reverse engineering workshop from basics to advanced malware analysis techniques.
- Metasploitable Free
- Vulnerable Linux system for penetration testing.
- Metasploitable3 Free
- VM with a large amount of security vulnerabilities for penetration testing practice.
- OWASP crAPI Free
- Completely ridiculous API for learning the ten most critical API security risks.
- OWASP Juice Shop Free
- Modern sophisticated insecure web application for comprehensive security training.
- OWASP Top 10 Free
- Web application security awareness document.
- OWASP WebGoat Free
- Deliberately insecure web app for learning security.
- OWASP WebGoat Free
- Deliberately insecure web application for learning web security flaws.
- Phrack Magazine Free
- Ezine written by and for hackers covering advanced security research and exploitation.
- PortSwigger Web Security Academy Free
- Free web security training from Burp Suite creators.
- PortSwigger Web Security Academy Free
- Free web security training with hands-on labs for common vulnerabilities.
- Rawsec Inventory Free
- Open-source inventory of tools resources CTF platforms and security operating systems.
- Roppers Security Fundamentals Free
- Free course teaching how security works in the real world with theory and defense.
- Security Shepherd Free
- Open-source security training platform.
- The Cyberclopaedia Free
- Open-source encyclopedia of cybersecurity covering offensive and defensive topics.
- Vulhub Free
- Open-source collection of pre-built vulnerable Docker environments for security practice.
- WeChall Free
- Various hacking challenges platform.
- CyberDefenders Freemium
- Blue team training platform with real-world incident response challenges.
- Cybrary Freemium
- Cybersecurity and IT training platform with courses.
- INE Security Freemium
- Hands-on technical training platform offering cybersecurity courses and certifications.
- Pentest-Tools Freemium
- Online security testing tools.
- TryHackMe Freemium
- Guided cybersecurity learning paths from beginner to advanced.
- Offensive Security Paid
- Industry-leading penetration testing training and certifications like OSCP.
- RangeForce Paid
- Interactive cybersecurity training with gamified modules and simulations.
- SANS Cyber Ranges Paid
- Professional cybersecurity training and hands-on labs.