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Computer Forensics

The number of digital devices and platforms in use has exploded in recent years. Canadians are among the biggest online users in the world, rated higher than Americans and occupying first place for a number of years. At the time of this writing Canada with a population of 36 million has over 28 million cell phones registered. In today’s world a contemporary investigator must at minimum consider digital evidence. Our lead Computer Forensic Examiner has over 40 years of investigative experience and provides effective and efficient solutions to meet your needs.

Computer Forensics Explained

Recognizing that the vast majority of people do not have a good understanding of Forensic Computer Examinations we include the following for purposes of clarity and understanding.

The purpose of computer forensics techniques is to search, preserve and analyze information on computer systems to find potential evidence. Many of the techniques detectives use in crime scene investigations have digital counterparts, but there are also some unique aspects to computer investigations. From a technical standpoint, the main goal of computer forensics is to identify, collect, preserve, and analyze data in a way that preserves the integrity of the evidence collected so it can be used effectively in a legal case.
The Department of Homeland Security's United States Computer Emergency Readiness Team (US-CERT) is part of DHS' National Cyber-security and Communications Integration Center (NCCIC). A US-CERT in a publication explains the process as follows: "Forensics is the process of using scientific knowledge for collecting, analyzing, and presenting evidence to the courts. (The word forensics means “to bring to the court.”) Forensics deals primarily with the recovery and analysis of latent evidence. Latent evidence can take many forms, from fingerprints left on a window to DNA evidence recovered from blood stains to the files on a hard drive. Because computer forensics is a new discipline, there is little standardization and consistency across the courts and industry. As a result, it is not yet recognized as a formal “scientific” discipline. We define computer forensics as the discipline that combines elements of law and computer science to collect and analyze data from computer systems, networks, wireless communications, and storage devices in a way that is admissible as evidence in a court of law."

The average price of Computer Forensic Examinations in the GTA appears to be between 200 and 400 dollars per hour. The methods of calculating the rate is inconsistent and the qualifications of the examiners vary. Symmetry Investigation Services always includes a detailed accounting of services and fees along with the Examiner’s CV. As technology advances device storage increases. While this may increase the possibility of collecting relevant evidence it directly impacts the time and effort required for data acquisition, extraction, review and analysis.

 

The table below provides an average number of pages per gigabyte for some common document types.

 

Should you be interested in a more in-depth explanation of Computer Forensics and CFCE, below are two links with a good explanation.

https://en.wikipedia.org/wiki/Certified_Forensic_Computer_Examiner

https://en.wikipedia.org/wiki/Computer_forensics

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