The School of Mathematical Sciences at the University of Southampton warmly welcomes you to its 22nd national codebreaking competition. Whether you are new to codebreaking or to the National Cipher Challenge, or an experienced competitor, we hope you will something to stretch you, something to entertain you, and a friendly community. With the generous support of our sponsors, GCHQ, EPSRC. Trinity College Cambridge and Netcraft we are able to offer prizes, medals and certificates to record your achievements, but if you are anything like us it will be the feeling you get when you crack a cipher that makes it all worth while. In addition we have a prize draw open to the first 1,000 to register for the competition. Prizes include a signed copy of the latest Alex Rider Novel, Nightshade Revenge, the geometry puzzle Arokah and full size (A2) copies of this year’s poster. Don’t delay. head over to our registration page and sign up!
