| Resource | Description |
|---|---|
| CTFTime | Track upcoming CTF competitions and view past event write-ups. |
| 247CTF | Range of challenges for various skill levels. |
| Hacker.org Challenges | Challenges focusing on different aspects of cybersecurity. |
| RingZer0 CTF | Challenges in areas like reverse engineering and cryptography. |
| w3challs | Challenges in web security and other domains. |
| TryHackMe | Guided learning paths and challenges. |
| CTF Academy | Structured challenges to learn and practice cybersecurity skills. |
| ROP Emporium | Return-Oriented Programming (ROP) challenges. |
| Root-Me | Challenges in various categories including web, network, and cryptography. |
| HackThisSite | Challenges to learn and practice ethical hacking skills. |
| Zaratec CTF Practice | Beginner-friendly resources, including write-ups and community discussions. |
| Hack@UCF CTF | Jeopardy-style CTF challenges. |
| HellBound Hackers (HBH) | Web-based security learning site. |