Welcome to SIGFLAG

SIGFLAG is a CTF team based in Linz, organised by motivated students of JKU Linz.

We regularly participate in Attack-Defense security competitions.


Upcoming Events

HITCON CTF 2018 20 + 21 October 09:00 CEST

We will participate in the HITCON CTF 2018 competition! Click for more!

This event is proudly sponsored by runtastic’s Meet & Code 2018 Coding Contest.


Mailing List

If you would like to receive updates about our monthly meetups (once per month), upcoming CTF events (1-2 mails per semester), internal training and workshop sessions (irregularly) you should subscribe to the announcement mailing list sigflag-announce@jku.at.


Subscribe to sigflag-announce

For other inqueries, please contact info ~ at ~ sigflag.at