International Journal of Engineering and Innovative Technology (IJEIT)
The number of mobile users is increasing rapidly and expected to reach the saturation point with at least one mobile for each person. SMS is an important application of mobile system but when sensitive information is exchanged via SMS and through a well-known security flaws in GSM network, a security solution is required. In this paper, a secure indirect messaging system based on third party forwarding is presented to protect SMS privacy from eavesdropping as well as to ensure that the message is sent by legitimate sender. Also, the system perceives the phone numbers and instantaneous location of recipients.