Shon Harris
Sidney C. Bailin
SIG-Security
Silvana Castano
Simon A. Burtonshaw-Gunn
Simon Derry
Simon Fraser
Simon Singh
Simson Garfinkel
SIS
Smoot Carl-Mitchell
Sophie Nachemson-Ekwall
Spencer Johnson
Srikanth Shirodkar
SSC
Staffan Malmgren
Stanley Bing
Stanley B. Lippman
Stanley Foster Reed
Stanley "Stan" Rapp
Stefan Csomor
Stefan Lindskog
Stefan Norberg
Stefano Mastrogiacomo
Stefan Stern