Net-Banking System as a Game Year: 2007 Volume: 1 Issue: 6 1789 - 1792 Pages Authors: N. Ghoualmi-Zine A. Araar Abstract: In this article we propose to model Net-banking system by game theory. We adopt extensive game to model our web application. We present the model in term of players and strategy. We present UML diagram related the protocol game. Keywords: Game theory model state web application.