This book addresses topics in the area of forensic analysis of systems running on variants of the UNIX operating system, which is the choice of hackers for their attack platforms. According to a 2007 IDC report, UNIX servers account for the second-largest segment of spending (behind Windows) in the worldwide server market with $4.2 billion in 2Q07, representing 31.7% of corporate server spending. UNIX systems have not been analyzed to any significant depth largely due to a lack of understanding on the part of the investigator, an understanding and knowledge base that has been achieved by the attacker. The book begins with a chapter to describe why and how the book was written, and for whom, and then immediately begins addressing the issues of live response (volatile) data collection and analysis. The book continues by addressing issues of collecting and analyzing the contents of physical memory (i.e., RAM). The following chapters address /proc analysis, revealing the wealth of significant evidence, and analysis of files created by or...