Digging through digital data.Work done by law enforcement professionals to unlock the secrets left on a computer by a criminal is becoming standard front-page fare; witness the recent speedy investigation and arrest of an 18-year-old German youth charged with creating the devastating dev·as·tate tr.v. dev·as·tat·ed, dev·as·tat·ing, dev·as·tates 1. To lay waste; destroy. 2. To overwhelm; confound; stun: was devastated by the rude remark. Sasser worm. As cutting-edge as such investigations seem, the basics of digital evidence collection go back to the late 1940s with mathematical formulas that distilled information into binary code binary code Code used in digital computers, based on a binary number system in which there are only two possible states, off and on, usually symbolized by 0 and 1. Whereas in a decimal system, which employs 10 digits, each digit position represents a power of 10 (100, 1,000, . The history and basics of computer forensics The investigation of a computer system believed to be involved in cybercrime. Forensic software provides a variety of tools for investigating a suspect PC. Such programs may include a function that copies the entire hard drive to another system for inspection, allowing the original to are laid out in "Computer Forensics: Characteristics and Preservation of Digital Evidence," an article by FBI computer forensic examiner Loren D. Mercer in a recent issue of the FBI Law Enforcement Bulletin The FBI Law Enforcement Bulletin is published monthly by the FBI Law Enforcement Communication Unit[1], with articles of interest to state and local law enforcement personnel. . In the article, Mercer starts with the basics, explaining the binary digits, or bits, that are at the heart of computer data, and then explains why the hexadecimal system is needed to represent 26 letters and 10 numbers. Mercer also discusses the preservation of computer forensic evidence and breaks down federal rules of evidence The Federal Rules of Evidence generally govern civil and criminal proceedings in the courts of the United States and proceedings before U.S. Bankruptcy judges and U.S. magistrates, to the extent and with the exceptions stated in the rules. Promulgated by the U.S. that relate to digital data. @ Link to the article by visiting www.securitymanagement.com. |
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