A comprehensive and broad introduction to computer and intrusion forensics, this practical work is designed to help you master the tools, techniques and underlying concepts you need to know, covering the areas of law enforcement, national security and the private sector. The text presents case studies from around the world, and treats key emerging areas such as stegoforensics, image identification, authorship categorization, link discovery and data mining. It also covers the principles and processes for handling evidence from digital sources effectively and law enforcement considerations in dealing with computer-related crimes, as well as how the effectiveness of computer forensics procedures may be influenced by organizational security policy.