# DEF CON Capture the Flag (CTF) Competition

Premier hacking competition at world's largest hacker conference. Tests real-world cybersecurity skills. Extremely prestigious in security community.

## Key facts

| Field | Value |
| --- | --- |
| Organization | DEF CON Hacking Conference |
| Category | stem |
| Cost | Free |
| Deadline | 2027-05-22 |
| Eligibility | Grades 9–12 |
| Format | In person |
| Location | Las Vegas, NV |
| Apply | https://defcon.org/ |

## About this program

The **DEF CON Capture the Flag (CTF) Competition** at the renowned **DEF CON Hacking Conference** is one of the most prestigious cybersecurity contests in the world. This elite **STEM program** challenges participants to solve complex real-world hacking and defense problems in a fast-paced, team-based environment. Recognized globally by the security community, DEF CON CTF is a standout opportunity for advanced **high school students** passionate about **technology**, **engineering**, and applied **mathematics** who want to see how top professionals approach cybersecurity.

Participating teams tackle a series of hands-on challenges that mirror real security scenarios: reverse engineering, cryptography, network defense, vulnerability discovery, and more. Students develop practical skills that go far beyond typical **science research** projects—writing and debugging code under pressure, analyzing binary files, and learning how systems can be attacked and protected. Along the way, they gain exposure to professional tools, command-line environments, and collaborative problem-solving. Being at DEF CON also means access to talks, demos, and informal mentorship from world-class hackers, security engineers, and researchers.

**Benefits for college, careers, and personal growth**  
Competing in DEF CON CTF stands out on any college application, especially for students interested in computer science, cybersecurity, **engineering**, or applied **STEM** fields. It demonstrates initiative, advanced technical ability, and resilience in high-pressure situations. Students can:

- Build a strong portfolio of cybersecurity challenges and write-ups  
- Show concrete evidence of teamwork and leadership  
- Explore career paths in cybersecurity, software development, and digital forensics  

Motivated **9th–12th graders** who already enjoy coding, puzzles, math contests, or security-focused clubs (like CyberPatriot or CTF teams) will find DEF CON CTF an exciting next step. While the competition is extremely challenging and often attracts university and professional teams, ambitious high schoolers who prepare with local CTFs and online practice platforms can gain invaluable insight just by participating or attending. For students serious about technology and cybersecurity, the DEF CON Capture the Flag Competition is a uniquely powerful way to test skills, grow fast, and connect with the global security community.

## Frequently asked questions

### How much does DEF CON Capture the Flag (CTF) Competition cost?

DEF CON Capture the Flag (CTF) Competition is completely free — there is no participation fee. Costs like travel or optional materials may still apply; check the official site for details.

### What is the application deadline for DEF CON Capture the Flag (CTF) Competition?

The application deadline is May 22, 2027. Always confirm on the program's official site, as dates can shift between cycles.

### Who is eligible for DEF CON Capture the Flag (CTF) Competition?

DEF CON Capture the Flag (CTF) Competition is open to high school students in grades 9–12. Some programs have additional requirements (GPA, coursework, essays, or recommendations) — the full criteria are on the official site.

### Is DEF CON Capture the Flag (CTF) Competition online or in person?

DEF CON Capture the Flag (CTF) Competition is an in-person program based in Las Vegas, NV.

### How do I apply to DEF CON Capture the Flag (CTF) Competition?

Apply directly through DEF CON Hacking Conference's official website. ExtracurricularHub links to the official application — we list and verify programs but don't process applications.

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Last updated: 2026-07-05.
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