[2002-12-11] The Difference Between a Hub and a Switch
You wouldn't believe how many times I have been asked the question "So what exactly is the difference between a switch and a hub anyway?" Or how many times I have heard it answered "Well, switches switch and… err… a hub doesn't." This would leave one to believe that maybe there isn't much difference at all or maybe this is just another one of those marketing strategies so that computer vendors can charge us more. Well that is not the case and there really is a difference (quite a significant one).
[2002-12-04] Network Forensics
During the Gulf War, computer hackers in Europe broke into a UNIX computer aboard a warship in the Persian Gulf. The hackers thought they were being tremendously clever -- and they were -- but they were also being watched.