In case of emergencies, the mobile text messaging services are progressively being allocated to circulate analytical information. Consequently, the third party providers promise to advance physical security by delivering such messages promptly to a wide range of organizations like colleges and universities. The main objective of this paper is to enforce security to the users during the information exchange. The text messaging allows transmitting short, alpha numeric communication for a wide variety of applications. Public Alert System (PAS) presents two components mainly administration management and user management.