What is Forensic Hard Drive Imaging?
When a computer is identified as possibly containing electronic evidence, it is imperative to follow a strict set of procedures to ensure a proper (i.e. admissible) extraction of any evidence that may exist on the subject computer. The first thing to remember is the “golden rule of electronic evidence” – never, in any way, modify the original media if at all possible. Thus, before any data analysis occurs, it usually makes sense to create an exact, bit stream copy of the original storage media that exists on the subject computer. A forensic image, is sometimes referred to as a mirror image or ghost image. Mirror imaging or ghost imaging does not always generate a true forensic image. The same is true for cloning a hard drive. A forensic image may include a single or multiple hard drives, floppy disk(s), CD(s), Zip drive(s) or DVD(s), plus many other types of storage media that now exist. Imaging the subject media by making a bit-for-bit copy of all sectors on the media is a well-establ
