Digital Forensics for Handheld Devices by Eamon P. Doherty

By Eamon P. Doherty

Approximately eighty percentage of the world’s inhabitants now owns a mobile phone, that may carry proof or comprise logs approximately communications touching on against the law. Cameras, PDAs, and GPS units may also comprise details on the topic of company coverage infractions and crimes. Aimed to arrange investigators within the private and non-private sectors, Digital Forensics for hand-held Devices examines either the theoretical and useful features of investigating hand-held electronic units.

This publication touches on all components of cellular equipment forensics, together with issues from the felony, technical, educational, and social facets of the self-discipline. It offers counsel on find out how to grab info, research it, and get ready it as proof for court docket. This comprises using chain of custody kinds for seized facts and Faraday baggage for electronic units to avoid additional connectivity and tampering of proof. Emphasizing the rules required within the paintings surroundings, the writer presents readers with a transparent knowing of the variations among a company research and a legal research. The publication also:

  • Offers most sensible practices for developing an incident reaction coverage and seizing facts from corporation or privately owned electronic devices
  • Provides counsel in setting up devoted examinations freed from viruses, spy ware, and connections to different units that may taint evidence
  • Supplies information on identifying protocols for sophisticated crime scenes with exterior media and units which could have hooked up with the hand-held device

Considering very important privateness matters and the Fourth modification, this e-book enables an knowing of the way to exploit electronic forensic instruments to enquire the entire variety of accessible electronic units, together with flash drives, cellphones, PDAs, electronic cameras, and netbooks. It contains examples of commercially on hand electronic forensic instruments and ends with a dialogue of the schooling and certifications required for varied careers in cellular gadget forensics.

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Some dual-SIM cell phones such as the SciPhone have two different IMEI numbers in the phone. The IMEI is found in GSM phones and is used worldwide to help prevent cell phone fraud and theft of service to the cell phone service provider. The IMEI also has a bar code next to the 15-digit number. If a person scratches out the IMEI and bar code to avoid identification, it is possible that enough of a bar code is left to scan. If one does not have a bar code scanner, an investigator may bring the cell phone to the library and ask the librarian to scan it where they scan library cards.

Most modern supermarkets also have a bar code reader at the checkout counter where one should be able to see the results. The IMEI is found by removing the cell phone’s plastic back cover and battery. In New Jersey, some municipal law enforcement officers who are continuing education students have told me in an academic setting that if they wish to obtain the IMEI number without the consent of the suspect, a search warrant is needed to remove the back plastic cover from the cell phone. This was because the IMEI is not in plain view and the phone is considered a closed container.

Tri-band means that the cell phone uses three very different sets of frequencies. The reason that every country does not use the same frequency is due to different parts of the world using The Cell Phone 9 different frequencies for television, radio, aircraft, and cell phones. A band plan for a country may show what frequencies are used for aircraft, cell phones, and other broadcasts. The band plan may also show acronyms such as GHz or MHz so it is important to first obtain the electromagnetic spectrum to learn what signal frequencies are microwaves, VHF, AM, FM, shortwave, radar, x-ray, infrared, and ultraviolet light.

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