...Or dealing with two legged cockroaches.

Security breeches take on a variety of values and may be as innocuous as a piece of UCE/SPAM email or a full-on assault of either one's street-side business or web site in the form of theft of goods or data.

Needless to say, if the breech is of the aforementioned type whether happening on the web or on the street, you've got some very serious security problems and should consider some professional help.