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CSAW CTF is one of the oldest and biggest CTFs with 1216 teams with 1+ points in 2020. 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. Both rounds will be online this year.

competition timeline

48-hour Qualifying Round

online

10 September 2021, 20:00 UTC -

12 September 2021, 20:00 UTC

Finalist Notification

by 24 September 2021

36-hour Final Round

online

12 - 14 November 2021

Exact 36-hours to be announced by timezone. 

 
 

thank you to our challenge writers

*Challenge writers who are associated with or alumni of active teams have recused themselves from playing in or supporting teams playing in CSAW CTF.

 
Purple - Blue Gradient

ctf finalists

Congratulations to our 2021 finalists! 
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Announced

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Announced

Announced

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Pending

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Announced

 

2021 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. 

Email the CTF Global Leads