Security guards as a form of concern from the company to assist the function of the National Police as security personnel to carry out security in the company so that they can run their business or business smoothly without any obstacles and obstacles from all situations and conditions that can harm the company, but the current condition of the data collection process The security guard in the South Sumatra region has not been fully integrated by the South Sumatra Regional Police so that the coordination and communication process between the security guard and the police has not run optimally. The purpose of this research is to improve the evaluation and monitoring of security guards in the area of South Sumatra by using information technology. The research uses the SDLC system development method. The results of improving communication and coordination using the Great Security Guard application have gone very well, it can be seen that data collection and supervision of security guards in the South Sumatra region can be found properly. The conclusion of the Great Security Guard application as an innovation in the use of information technology and to monitor security guards in helping to minimize crimes that occur, Great Security Security also provides visualization in the form of digitally mapping the position of security guards (geolocation), this aims to determine the position of the security guard who is on duty..