What Is Computer Forensic Data?

What Is Computer Forensic Data? thumbnail
Computer Media

Computer forensic data is any digital information retrieved from a computer or computer media which is acquired, authenticated, validated, analyzed and stored using sound forensic procedure. Computer forensic data is used to support criminal, civil and employee termination cases.

  1. Volatile Data

    • Volatile data will be lost when the system is powered down. Information in RAM is volatile data.

    Nonvolatile Data

    • Nonvolatile data can be retrieved if the system is powered down before the investigation. Hard drives, CD-ROMs and USB thumb drives contain nonvolatile data.

    Encrypted Data

    • Encrypting data involves changing the data into code by applying a mathematical algorithm.

    Live Acquisition

    • Live acquisition is the examination of a system while it is running. Volatile computer forensic data is collected from RAM and during the live acquisition phase of the investigation.

    Static Acquisition

    • Static acquisition is the method used for retrieval of nonvolatile data. This type of acquisition is used to recover forensic data from hard drives, USB thumb drives, diskettes and discs.

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