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
Stefan Zehle