By Carie P. WATCH RELATED VIDEO Submit Participants work at their laptops at the annual Chaos Computer Club (CCC) computer hackers' congress, called 29C3, on December 28, 2012 in Hamburg, Germany. Advertisement © 2017 HNGN, All rights reserved. Do not reproduce without permission. Advertisement 0 COMMENTS CLOSE COMMENT Get HNGN's Top Stories Newsletter Everyweek You have already subscribed. Thank you.