Systems Security: It is the control and access of computer system's resources, the information and operating system files. This can be managed by security software installed in the computer. The other meaning might refer to any type of system which secures a device, a house or building, and so on. There too exists a spyware termed as System Security which will present itself as an anti-spyware elimination tool, whenever in fact it will contaminate your computer and attempt to trick you into expenses your money.