International Journal of Scientific and Research Publication (IJSRP)
Applications; a word which is becoming much common in today's technological world and when this word is connected with mobile or Subscriber Identity Module (SIM) industry it becomes even more common. This paper delineates the most imperative feature of SIM industry; rather all communication industries i.e. secure communication. The research done herein is primarily focused on secure communications between a SIM application often called SIM applet and the supporting/controlling server. The paper done here will assist a SIM applet architect, developer, business solution designer to know how to ensure secure communication between applet and server.