Examples of These Defenses Blaster worm (2003) Reached peak traffic in 6 hours Not a Warhol worm Detected by using Blackhole, honeypot techniques Immediate filtering taking place Started about 6 hours after worm was introduced Sapphire worm (2003) Reached peak traffic in under 1 hour Example of Warhol worm Filtering contained the worm Statistical anomaly for some networks