August 2000
Intermediate to advanced
800 pages
21h 5m
English
The key to detecting intrusions on your network is vigilance. Watch for the signs of intrusion every day. Some intrusions are very easy to find others can be more difficult. Tools can help you detect intrusions, but often the best intrusion-detection systems are right between your ears. It helps to know what to look for, so this section outlines some of the places to check for intrusions on your network.
Sometimes the best evidence of an intrusion walks up and smacks you in the head. Web site defacement is quickly becoming a hallmark of intrusion. If you see something this obvious, you know someone has broken into your system. Web site defacement has seen a frightening rise in occurrence; everyone from the ...