security system

nouns

(computing) a system that enforces boundaries between computer networks
security system
domain category
the branch of engineering science that studies (with the aid of computers) computable processes and structures
computer science, computing
is a type of (narrower)
instrumentality that combines interrelated interacting artifacts designed to work as a coherent entity
"he bought a new stereo system"; "the system consists of a motor and a small computer"
system
an electrical device that sets off an alarm when someone tries to break in
security, security measure, security system