Announcements

2020-03-16 11:49

Hint: There are other PNG's too. Try to recover them.


2020-03-16 08:40

While we have just 13 hours to the end, we will provide you with new and fantastic tasks. Please hurry!


2020-03-16 08:32

There are many same size IDAT chunks in perceptron, are all of them necessary?


2020-03-15 22:31

Contaminaʃən's server has been fixed to be really contaminated now!


2020-03-15 18:50

Oh, look there's the third round of tasks. Enjoy as much as you want!


2020-03-15 17:32

There is a typo in inaction.py:

s/if stage == 39:/if i == 39:/

Thanks a lot OpenToAll team for reporting this issue


2020-03-15 13:06

The next series of tasks are now on the website! Be sure to use all the time you’ve got.



Congrats to T35H team for first blood for non-Trivia challenge!


2020-03-03 23:42

The 1st SuSeC CTF website is now online. The countdown timer shows the remaining time to the1st SuSeC CTF 2020. There are a few links to access news, FAQ, etc. The website will be in both English and Persian.