“…The presented modified network port scanner for Windows based operating systems in Bulgarian Defense Institute can be used in order to be detected open unprotected network ports. In relation to this the chief information security officers will be able to take timely measures to implement protective mechanisms and policies for the protection of the information resources containing critical and confidential information about data centers in defense and security, jamming devices, bullets, ammunitions, projectiles, rocket motors and ballistic materials [1,2,15,16,17,18,19,20,21,22,27,31,32].…”