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A series of challenges created by Replyers and open to anyone who loves technology and competitions. Reply Challengers are all about having fun, showing off your talent for coding, security, creativity and much more, and, who knows: winning some great prizes along the way.
Train for the upcoming challenges in the Sandboxes. Try to solve our training or previous challenges and see how well you score.

5th October: the Reply CYBER SECURITY FLAG, CAPTURE THE FLAG edition (CTF) is a team-based security competition. It's open both to students and professionals, and created by the Keen Minds, a team of Replyers who are passionate cyber security experts.

In the Jeopardy-style CTF edition, each team tries to solve 25 challenges, divided into 5 categories: Coding, Web, Trivia, Crypto, and Binary. Each category is made up of 5 levels.

The challenge takes place online, 5th Ocobter, from 19:30 (CEST) Friday 5th October 2018, to 19:30 CEST Saturday 6th October. Registrations open on 5th Sept.