Digital Forensics:
"Digital forensics (sometimes known as digital forensic science) is a branch of forensic science encompassing the recovery and investigation of material found in digital devices, often in relation to computer crime.The term digital forensics was originally used as a synonym for computer forensics but has expanded to cover investigation of all devices capable of storing digital data."
URL: http://en.wikipedia.org/wiki/Digital_forensics
Computer Forensics:
"Computer forensics (sometimes known as computer forensic science) is a branch of digital forensic science pertaining to legal evidence found in computers and digital storage media. The goal of computer forensics is to examine digital media in a forensically sound manner with the aim of identifying, preserving, recovering, analyzing and presenting facts and opinions about the information."
URL: http://en.wikipedia.org/wiki/Computer_forensics
Digital Forensic Science:
"The use of scientifically derived and proven methods toward the preservation, collection, validation, identification, analysis, interpretation, documentation and presentation of digital evidence derived from digital sources for the purpose of facilitating or furthering the reconstruction of events found to be criminal, or helping to anticipate unauthorized actions shown to be disruptive to planned operations."
URL: http://www.dfrws.org/2001/dfrws-rm-final.pdf
Computer Forensics:
"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."
URL: http://www.us-cert.gov/reading_room/forensics.pdf
Note: You can get more definition reference for the Google search result. Try it!
Base on my experience these term as below are very important in Digital Forensics or Computer Forensics definition:
- Identification
- Preservation
- Validation
- Recovery
- Analysis
- Presentation
