Learn. Practice. Capture the Flag.
Master Cybersecurity Through Real Practical Challenges
CapTF is a cybersecurity learning platform where beginners and future professionals can study security concepts, solve practical tasks, join challenges, and compete in CTF-style competitions.
$ nmap target.local
PORT STATE SERVICE
22/tcp open ssh
80/tcp open http
$ solve challenge
flag{welcome_to_captf}
What is CapTF?
CapTF is designed for people who want to understand cybersecurity not only by reading theory, but by doing real practical tasks. The platform focuses on safe, legal, educational labs that help users build technical thinking and problem-solving skills.
Platform Features
Cybersecurity Lessons
Learn the basics of networking, Linux, web security, cryptography, reverse engineering, and system security.
Practical Tasks
Practice with hands-on tasks that teach real-world cybersecurity logic in a controlled and legal environment.
CTF Challenges
Solve capture-the-flag challenges, find hidden flags, and improve your technical skills step by step.
Competitions
Join cybersecurity competitions, test your knowledge, and compete with other learners and teams.
Challenge Categories
CapTF will include different types of tasks for different skill levels. Beginners can start with simple labs, while advanced users can solve more complex security problems.
- Web Security
- Linux Privilege Concepts
- Networking
- Cryptography
- Forensics
- Reverse Engineering
Pricing
Choose the plan that matches your learning pace and unlock more practice as your cybersecurity skills grow.
Free
$0
Start learning the basics
- Beginner lessons
- Starter CTF tasks
- Basic progress tracking
Practice
$3
More tasks for regular practice
- All Free features
- Extra challenge sets
- Hints for selected tasks
Pro
$10
Advanced labs and competition prep
- All Practice features
- Advanced CTF challenges
- Competition-style labs
Ready to enter the arena?
Create an account, start learning, solve challenges, and prepare for upcoming CapTF competitions.
Create Account