...I think computer viruses should count as life. I think it says something about human nature that the only form of life we have created so far is purely destructive. We’ve created life in our own image....
By the end of this chapter, you should know and be able to explain the following:
• The essentials of an intrusion detection system (IDS) and why is it necessary even if you have a firewall
• The difference between an IDS and intrusion prevention system (IPS)
• The difference between a network intrusion detection system (NIDS) and a host intrusion detection system (HIDS)
• How an IDS detects intrusions (that is, attacks) and the potential ways a response can occur
• Some of the ...