Computer Evidence - Collection and Preservation, Second by Christopher L. T. Brown

By Christopher L. T. Brown

As desktops and knowledge structures proceed to conform, they extend into each part of our own and enterprise lives. by no means sooner than has our society been so details and know-how pushed. simply because desktops, info communications, and knowledge garage units became ubiquitous, few crimes or civil disputes don't contain them not directly. This ebook teaches legislation enforcement, method directors, details expertise defense execs, lawyers, and scholars of laptop forensics tips to establish, acquire, and preserve electronic artifacts to maintain their reliability for admission as facts. it's been up to date take into consideration alterations in federal ideas of proof and case legislations that without delay handle electronic proof, in addition to to extend upon moveable machine assortment.

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The importance of the terms reliable, complete, accurate, and verifiable as they pertain to potential evidence will be highlighted in Chapter 2. 1). The importance of preservation and its components is a key focus of this book. 1 The preservation phase of computer forensics is iterative. Chapter 1 Computer Forensics Essentials 9 Filtering Filtering can also be referred to as the analysis phase of computer forensics. In this phase, investigators attempt to filter out data that lacks artifacts of evidentiary value and filter in artifacts of potential evidentiary value.

Today, crimes involving a computer have expanded much further than those of only financial interest. To understand who might be interested in performing computer forensics, it is helpful to break down the types of involvement the computer could have with a crime. One type of involvement is the computer assisting the crime, such as with fraud and child pornography. Another situation in which computers commonly assist in a crime or employee malfeasance is intellectual property theft in the corporate environment.

The knowledge and skills needed to investigate crimes involving computers will change from case to case; however, the need to understand how computers operate at the component level and how each component interacts will not. Critical components include the following: 10 Computer Evidence: Collection and Preservation, Second Edition The central processor and how it works with the physical RAM (random access memory) How the physical RAM works with various operating systems, which provide virtual memory on hard disks How independent devices on the computer’s input/output (I/O) bus interact with each other How all these items store and retrieve data in physical storage, such as hard disks One of the better litmus tests for the basic PC components described is CompTIA’s certification for A+, designed to certify the basic PC knowledge level required for PC technicians.

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