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

FAUST CTF 2018 01 June 14:00 - 00:00 CEST

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

This event is proudly sponsored by VACE SECURITY, your partner for Penetration Tests, IT Security and Data Privacy.


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