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.
tr.v. inÂ·ured, inÂ·urÂ·ing, inÂ·ures also enÂ·ured or enÂ·urÂ·ing or enÂ·ures. To habituate to something undesirable, especially by prolonged subjection; accustom: Though the food became no more palatable, he soon became sufficiently inured to it (John Barth).