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Computer Forensics


The rise of the Information Age and the prolific spread of computers into every facet of our lives has led to the companion rise of computer crime. Hardly a day goes by that we don't hear of some crime being perpetrated using computers and the Internet. With this increase in computer crime has come a large demand for experts who are experienced and trained in computer science to help investigate these crimes. Computer Forensics is the application of Computer Science to locate evidence of computer crime. Much like the Medical Examiner, a Computer Forensic Examiner uses his knowledge and skill with computers to analyze computer systems and networks that have been used in or victims of computer crime. It is the job of the Computer Forensic Examiner to determine what was done on the computer, how, and by whom. This is much more than simple data recovery. A forensic examination must follow widely accepted methods and standards in order for the resultant evidence to be admissible in a court of law. This means that the examiner must search for, locate, and extract the necessary evidence without making any changes to the original evidence media. This must be proveable in court. In order to accomplish this, Computer Forensic Examiners must be trained in the use of special tools and utilities and must have a complete understanding of Computer Operating Systems and their file systems. Our examiners are trained to operate at the physical media level, which is the base hardware level. This eliminates the chances of a software utility getting in the way of finding that crucial piece of evidence that can make the case.

SIS Forensic Lab Examiners are trained by former NSA, IRS and U.S. Treasury Department Agents. They have received professional certification from Oregon State University and New Technologies Inc.

We provide the following Computer Forensic services:

  • Analysis and examination of digital media (hard drives, floppy drives, PDA's, memory sticks, flash cards, etc.)
  • Network forensics (E-mail tracing, intrusion detection, security threat analysis, hacking incident investigations, etc.)
  • Analysis of Windows 3.11, 9x, ME, NT, 2000, 2003, XP, Linux, Unix, DOS
  • Matching floppy disks with computers
  • Breaking encryption
  • Password recovery
  • Avoiding logic bombs and other digital "booby traps"
  • Department of Justice approved crime scene investigations and digital evidence seizure techniques
  • Location of data hidden using the latest data hiding techniques. We find data other analysts never see
  • Evidence discovery and documentation in preparation for trial
  • Expert witness testimony