Service
Capture-the-flag events
Internal or public capture-the-flag competitions that build skills, motivate teams and surface talent, with a platform you do not have to run.
A CTF is a competition where participants solve security challenges to find hidden flags and score points. Done well it is the most engaging way to practise: it rewards curiosity, builds teamwork and gives a clear, public measure of progress.
We run the whole event: the platform, the challenges, the scoring and the support desk. Our public platform at ctf.cyrange.eu hosts open events such as the Winter Games; private events for a single organisation can be run in the same way.
Who it is for
Organisations, universities and communities
Challenge difficulty is tuned to the audience, from first-timers to experienced practitioners.
- Company security and IT teamsSkills practice and team building, internal and private.
- Universities and training providersA practical complement to coursework.
- Communities and meetupsOpen events with a public scoreboard.
- Recruiters and hiring teamsA hands-on way to see how candidates approach problems.
Formats
Formats
Jeopardy-style challenge boards are our standard format; other formats on request.
- Public eventOpen registration on ctf.cyrange.eu, public scoreboard, fixed time window.
- Private eventInvitation-only, for one organisation or group.
- Team or soloTeam size and rules are set per event.
- Always-on practice boardA set of challenges that stays open for self-paced learning.
How an engagement runs
How an engagement runs
Participation is governed by the CTF terms, with event-specific rules published on the platform.
- 01
Scope
Audience, skill level, duration, team format and goals.
- 02
Rules of engagement
Fair-play rules, what is in scope for attack (only the provided challenge targets), prizes and eligibility.
- 03
Build and test
Challenges selected or written, tested end to end, hosted in isolation from the platform.
- 04
Run
Event live, support desk, announcements, monitoring for abuse.
- 05
After-action report
Scoreboard export, solve statistics per challenge, feedback and recommendations.
Deliverables
What you receive
Results that go beyond a final ranking.
- Event plan and rulesformat, schedule, fair-play rules
- Challenge setcategories and difficulty matched to the audience
- Scoreboard and statisticsper team, per challenge, over time
- Write-upssolutions and learning notes
- After-action reportwhat worked, what to change
- Recommendationsnext training or exercise steps
What we need from you
- Target audience, size and skill level
- Dates, time zone and whether the event is public or private
- Branding or prize information if relevant
- A contact for the support desk during the event
Playing in a CTF?
The public platform is at ctf.cyrange.eu. Read the participation terms and the privacy notice before you register. Found a problem in the platform itself? Please follow our disclosure policy.
Next step
Scope your CTF event
Tell us what you want to test and who should take part. We reply with a proposed format and next steps.
Also