> For the complete documentation index, see [llms.txt](https://darkcybe.gitbook.io/darkcybe/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://darkcybe.gitbook.io/darkcybe/offensive-security-operations/capture-the-flag-ctf.md).

# Capture The Flag (CTF)

Guidance and methods for competing in Capture The Flag (CTF) challenges, including Ethical Hacking and Defensive or DFIR analysis.

Capture the Flag (CTF) events are a popular and widely used method for testing and improving the skills of cybersecurity professionals. In a CTF event, participants are presented with a series of challenges, or "flags," that they must solve in order to progress. These challenges can cover a wide range of cybersecurity topics, including network security, cryptography, web security, and more.

CTF events offer a number of benefits for both individuals and organizations. For individuals, participating in a CTF event can be an excellent way to improve their skills and knowledge in a particular area of cybersecurity. CTF events often require participants to apply a range of different skills and techniques, including problem-solving, critical thinking, and technical expertise, which can be valuable for professional development.

For organizations, hosting or participating in a CTF event can be an effective way to identify and recruit talented cybersecurity professionals. CTF events can also be used as a training tool to help employees develop and improve their skills in a particular area of cybersecurity. In addition, CTF events can help organizations identify and address vulnerabilities in their systems and processes and improve their overall security posture.

## CTF Events/Vendors

There are many different CTF events that are available to participate in, both online and in-person. Some popular examples include:

* [**Hack The Box (HTB)**](https://www.hackthebox.com/)**:** Hack The Box is an online CTF platform that offers a wide range of challenges and exercises for participants to solve. The platform includes a variety of different categories, including web security, network security, cryptography, and more.
* [**DEF CON CTF**](https://defcon.org/?mob=1)**:** DEF CON CTF is a long-running and highly respected CTF event that is held annually at the DEF CON conference in Las Vegas. The event attracts a large and highly skilled group of participants, and typically includes a wide range of challenging and innovative challenges.
* [**picoCTF**](https://www.picoctf.org/)**:** picoCTF is an online CTF event that is targeted at students and is designed to help them develop their cybersecurity skills. The event includes a wide range of challenges that cover a variety of different topics, including web security, cryptography, and more.
* [**Cyber Defenders**](https://cyberdefenders.org/)**:** Cyber Defenders is an online CTF platform that offers challenges focused on the defensive side to cyber security.

For a list of further CTF vendors or events, the website [CTFTime](https://ctftime.org/) tracks and lists events and competitions around the world. CTFTime is a community-driven platform that allows users to submit and promote CTF events, as well as to track and score the results of these events.

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[Hack The Box (HTB)](/darkcybe/guides/ctf-walkthroughs/hack-the-box-htb.md)
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