Breach

A gap, rift, hole, or rupture in a dam; providing a break; allowing water stored behind a dam to flow through in an uncontrolled and unplanned manner. An eroded opening through a dam which drains the reservoir. A controlled breach is a constructed opening. An uncontrolled breach is an unintentional opening which allows uncontrolled discharge from the reservoir.

The failed opening in a dam.

1. The breaking or violating of a law, right or duty, either by an act or omission. 2. The failure to carry out any condition of a contract.

In hydrologic terms, the failed opening in a dam.

The condition in which a user-set threshold (upper or lower boundary) is passed. If the duration of the breach is significant, as set by a breach duration parameter, it can possibly start a scaling activity.

The circumvention or disablement of some element of computer security, with or without detection, which could result in a penetration of (a) the affected computer's software or data base(s), or (b) another device or network to which the affected computer may also be connected. [After 2382-pt.8]