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

Google CTF 2018 23 June 13:37 (or 10:42)

Google CTF 2018

We will move and merge our June Meetup with the Google Capture the Flag 2018. All team members and - especially new interested individuals - are invited to join us, since we will have some nice talks on previous CTF examples in the beginning.

For more, visit the events page.


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