He makes marks on his milk carton to ensure that no one nefariously steals any.
This is mainly (and nefariously) a thinly veiled way to target lower-income youths.
Attacks involved botnets, networks of computers that have been compromised by an unauthorized user, who can then command and control them, surreptitiously and usually nefariously.
Money is taken which should have belonged to somebody else and is nefariously misappropriated.
Those mines can be deployed easily and nefariously from ships and aircraft.
