Intrusion Detection is a red-hot topic in today's technology and security field. You hear daily stories of networks compromised or rendered unusable by attack. The cyber-criminals behind this must be stopped. The majority of the security analysts working today are not properly trained to do their important work, and often have to learn on the job or on their own. This book empowers the security specialist to analyze and interpret the traces that they are seeing, find their source, and stop the intrusion. This book also contains must-have information for the experienced intrusion analyst.