Increase your networking, connect with people and companies of your interest. Track your progress through statistics (history, badges, ranking and more)
Get your friends together to play as a team, track the performance of your team and all members.
Follow our begginer's track if you are new in the security field.
You will learn the basic concepts of infosec while solving real life hands-on challenges that will give you points to build you way up to the top of Shellter's Ranking.
We have put together challenges from worldwide CTFs in one place. We also constantly add our own challenges. Play the live contests and experience the feel of a competition solving challenges inspired by everyday life of who deal with information security.
New challenges will arise!
No matter how hard they are, you will be ready.
Practice and get in contact with the most inspiring companies looking for security experts and get your new job.
Run you challenges on environments isolated from other players and solve them in your time without external inteference.
We host regular and special/themed events that will put you knowledge to the limit while challenging your friends.
Exercises that emulates real life vulnerabilities built by people who work with security day to day will help you improve your technical skills.
Compete with other players for fame, fortune, ranking positions and lots of exclusive SHELLTER gifts and awards.
"Congratulations on the platform, perfect challenges centralization."Helton Silva - Brazil
Your website is exactly what I have been looking for. Keep up the great work!afry - Canada
Shellter changed my life.Jordy Ferreira - Brazil
"Shellter Labs looks really nice, I find it amazing that you are rising the most important CTF's tasks, is pretty hard work. Congratulations!"Fernando Quintero - Colombia
No, Shellter is made so that anyone who is interested in information security should be able to learn and practice.
It's interest that you have some familiarity with I.T. If you are really willing to learn computer security, Shellter should get you going.
Shellter is about information security. We have lessons and exercises on different skills of that area like Reverse Engineering, Web Application Security, Mobile Security, Forensics, Coding, Exploit Writing and more.
Nothing. You have full access to Shellter, all the challenges, compete for points and prizes on the contest for FREE. What are you waiting to register, btw?
Yes. We have asked for permition to host all challenges from past contests that we host at Shellter.
Yes! If you organized a contest in the past, or have some challenge you would like to make it available, contact us at firstname.lastname@example.org
Yes! We can host and help you organize your contest. Wheter inside your Company, University, School or Conference. Contact us at email@example.com