"A pulsing zombie is a computer whose security has been compromised without its owner's knowledge by a cracker so that it intermittently carries out a denial-of-service attack on target computers in a network. Unlike a regular zombie, the pulsing zombie doesn't completely paralyze its targets, but merely weakens them, in what some call degradation-of-service attacks."
- Word-of-the-Day from today's WhatIs.com is err, Pulsing Zombie