An intrusion detection system (IDS) inspects all inbound and outbound network activity and identifies suspicious patterns that may indicate a network or system attack from someone attempting to break into or compromise a system. There are several ways to categorize an IDS:
Civil inattention. Civil inattention is the process whereby strangers who are in close proximity demonstrate that they are aware of one another, without imposing on each other â a recognition of the claims of others to a public space, and of their own personal boundaries.
Definition of attenuate. 1  1 : reduced especially in thickness, density, or force the attenuate limbs of a starving person. 2  2 : tapering gradually usually to a long slender point attenuate leaves.