LakeCTF
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 !
Quals schedule
Qualification start | Sat 4th of November, 18:00 UTC |
Qualification end | Sun 5th of November, 18:00 UTC |
Finals schedule
Thu 2nd of May 2024 | Arrival |
Apéro with polygl0ts and members of the EPFL community | |
Fri 3rd of May 2024 | 9:00 CTF Finals Start |
17:00 End and Award ceremony |
Coincidentally, Balélec (Europe's biggest student-run festival) takes place on the EPFL campus on Friday evening. Keep this in mind for potentially celebrating your victory (or getting over your loss)!
Travel and accomodation
Accomodation during the finals (i.e., from Thu 2nd of May to Sat 4th of May 2024) will be gratiously provided by EPFL's IC school. Thanks to our sponsors, we are also able to reimburse up to 1000CHF per team for transportation to Lausanne for this year's finals!
Locations
CTF Finals | INM 065 at EPFL |
Hotels | TBD |
Rules
- There is no limit on the number of people who may participate in a single team in the quals.
- Up to 10 teams will be invited to the finals (8 academic teams; 2 non-academic teams). The finals will take place physically in Lausanne at EPFL. Only 8 players per team will be allowed to play the finals. Remote players are not allowed.
- 7 out of the 8 academic teams for the finals will qualify through LakeCTF quals. The last team invited to the finals will qualify through Insomni'hack CTF taking place the week before. This team will be the highest-ranking team from Insomni'hack's academic bracket that has not qualified via LakeCTF quals already.
- A team can only participate as an academic team if, at the time of the qualifications, every team member is a member of an academic institution (high schools, colleges/universities). Switching from/to academic/non-academic team status after the start of the qualifications is not allowed.
- Sharing flags or solutions during the contest is strictly prohibited. This action is subject to disqualification.
- Attacking machines other than those designated as LakeCTF 2023 target machines is prohibited.
- If you find a bug in the contest infrastructure, congratulations (but you should report it).
- EPFL students/staff can take part in the quals but are not allowed to qualify for the finals.
- If you are not sure if something is a violation of the rules, it probably is.
Contact
- Our primary method of communication for the CTF will be the official competition Discord.
Prizes
All teams that qualify for the finals will have accommodation during the CTF (Thu - Sat) paid by EPFL. The top team from the quals will receive 8 tickets for the Insomni'hack Cybersecurity conference taking place the week before the finals. The tickets are sponsored by Orange Cyberdefense Switzerland.
Top 3 teams in the finals will receive the following prizes:
🥇 First place | 1 Life sized psyduck plushie + 8 Led shoes |
🥈 Second place | 8 POC||GTFO books and 8 blinkenrocket kits |
🥉 Third place | 8 Amazon Gift cards and 8 Arch linux live CD-ROM |
All players from the top three teams will also receive a challenge coin each.
About
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 second edition of LakeCTF with online qualifiers in fall 2023 and finals on EPFL's campus in Lausanne in spring 2024.
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 teams on CTFtime. It's also a commission of CLIC, the computer science student's association at EPFL.
Sponsors
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