The present invention extends to methods, systems, for preventing an unauthorized access via signal interception and hacking (via network or host attacks) to a user's mobile device by installing an application executable on the user's mobile device to facilitate execution of sequence of programmed instructions to perform at least one signal transmission between two or more users within a computer-based environment and to facilitate a detection engine to perform analysis of at least one signal transmission between two or more users within a computer-based environment.