1. A system operably connectable to a computer, the system comprising: a behavior logic configured to identify that the computer is exhibiting a behavior that indicates that the computer may be infected by a malicious software; and an immune response logic configured to identify a process that is related to the behavior and that is executing on the computer, the immune response logic also being configured to automatically make an immune response with respect to the process, the behavior logic and the immune response logic being configured to operate substantially in parallel with each other and with an operating system executing on the computer.