ReCap
Welcome to ReCap. Here you can replay the challenges of the Luxembourg Cybersecurity Challenge and other events to train in various areas of cybersecurity. You can also upload writeups if you want to share your solution with other members of the community.
of increasing difficulty.
to help you learn more.
Get Ready!
The Luxembourg CyberSecurity Challenge 2026 is coming soon! Stay tuned for more information. You will soon find all the information about registration and qualification rounds on lcsc.lu.
路 days 路路:路路:路路 remaining
Categories
Analyze and break cryptographic algorithms.
Investigate digital artifacts and uncover clues.
Exploit vulnerabilities in various binary programs.
Analyze and understand compiled binary files.
Exploit vulnerabilities in web applications.
Test your technical skills on many different challenges.
Explore network traffic and intercept communications.
Gather clues from public data sources.
Useful Links
Come join the Discord server to meet, hack and compete with the LCSC and LetzPwn, Luxembourg's biggest CTF community.
LetzPwn asbl is a non-profit and CTF team which aims to introduce people to CTF challenges and manages the LCSC qualifier.
Do you want to participate at the European Cybersecurity Challenge and represent Luxembourg? Prove your skills at the LCSC for a chance to be on the team!