LakeCTF is a jeopardy-style security hacking contest organized by the polygl0ts CTF team (plus some friends!) and the EPFL School of Computer and Communication Sciences (IC).
Participants first compete in an online qualification round, and the qualified teams will physically compete in the finals in Lausanne. The top teams will have the unique chance to meet the top members of the EPFL research community.
We wish you the best of luck !
This year's edition is special, as the LakeCTF qualifications will
be valid for both the LakeCTF finals and Insomnihack finals.
The top 10 academic teams of LakeCTF quals will be invited to
LakeCTF finals at EPFL in Lausanne - more details in this page.
The top 3 professional teams will have sponsored accomodation
and tickets for the Insomnihack confernce in March. Teams at places 3-6
will have tickets paid for the Insomnihack conference in March 10-15th.
All the rest of the information in this page will only be relevant
to LakeCTF quals/finals!
Qualification start | Sat 7th of December, 18:00 UTC |
Qualification end | Sun 8th of December, 18:00 UTC |
Finals will take place in the start of May 2025 in Lausanne. The exact schedule is TBD and will be published soon.
CTF Finals | INM 065 at EPFL |
Hotels | Ibis Styles Lausanne Center Moxy Hotel |
All teams that qualify for the finals will have accommodation paid by EPFL. Furthermore, the top scoring teams will receive (for each member):
🥇 First place | TBD |
🥈 Second place | TBD |
🥉 Third place | TBD |
Bonus rewards:
Best 5 writeups | TBD |
All finalist teams will receive a bag of EPFL and polygl0ts merch.
LakeCTF's first edition took place on the special occasion of the 20 years anniversary of the IC School (Computer and Communication Sciences) in 2022. Due to its great success, we are organizing the third edition of LakeCTF with online qualifiers in fall 2024 and finals on EPFL's campus in Lausanne in spring 2025.
In colllaboration with the IC School, accommodation, a tour of Lausanne, lunch and dinner are provided for the finals.
polygl0ts is the official EPFL CTF team. It was born in 2018 and is still going strong, taking part in major CTFs as part of the bigger organizers team, one of the top team on CTFtime.