IEEE Symposium on Computers and Communications (ISCC'09) July 5 - 8, 2009, Sousse, Tunisia http://www.comsoc.org/iscc/2009/

Symbolic Computation in Software Science, SCSS 2009 Gammarth, Tunisia September 22-24, 2009
http://www2.score.cs.tsukuba.ac.jp/scssWorkshop/index.html

SensorNets 2009: The First International School on Cyber-Physical and Sensor Networks Monastir, Tunisia, December 17-21, 2009 http://www.sensornets-school.org/

Crypto 2009, August 16-20, 2009, Santa Barbara, California, USA. http://www.iacr.org/conferences/crypto2009/

Asiacrypt 2009, December 6-10, 2009, Tokyo, Japan. http://asiacrypt2009.cipher.risk.tsukuba.ac.jp/