The time from vulnerability announcement to release of the Zotob worm was one of the shortest seen in recent times. Multiple intrusion prevention systems, as ubiquitous as switches, need to become as integral to networks, says Rohit Dhamankar. This is an argument for so-called “security switches” to be part of the argument for hosts to be able to defend themselves. This is also an argument that hosts need to be protected against the worm. This means that even a single infected laptop brought inside an enterprise will infect all the other machines.”]
Source: https://taosecurity.blogspot.com/2005/08/short-history-of-worms-i-found-ryan.html