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17th Annual
17th Annual
17th Annual
CSAW’25
OSIRIS
US-CANADA, MENA, EUROPE, INDIA, MEXICO
CSAW CTF is one of the oldest and biggest CTFs with 1216 teams with 1+ points in 2021. Designed as an entry-level, jeopardy-style CTF, this competition is for students who are trying to break into the field of security, as well as for advanced students and industry professionals who want to practice their skills.
CSAW CTF occurs over two rounds: a Qualifying Round in September and a Final Round in November.
winners
Congratulations to our 2025 winners!
1st Place
University of Hawaii, Georgia Institute of Technology, Rochester Institute of Technology
Nathan Wong
Andrew Effenhauser
Allen Chang
Tanush Madanbhavi
2nd Place
Massachusetts Institute of Technology, Arizona State University, Northeastern University
Audrey Dutcher
Jennifer Miller
Xenia Dragon
Emmie Lum
3rd Place
University of Washington, University of California, Diablo Valley College
Ani Balaji
Chara
Kroot
Cope
Congratulations to our 2024 top teams!
Congratulations to our 2023 top teams!
Congratulations to our 2022 top teams!
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ctf finalists
Congratulations to our 2022 finalists!
2022 Finalists
2021 Winners
winners
Congratulations to our 2021 top teams!
2021 Challenge Writers
thank you to our previous-year challenge writers
perfect blue
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RangeForce
RangeForce
*Challenge writers who are associated with or alumni of active teams have recused themselves from playing in or supporting teams playing in CSAW CTF.
Organizers
competition organizers
CTF is developed and managed by the NYU OSIRIS Lab. Challenges are written and contributed by Lab members, alumni, industry friends and partners.
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