Disk
Collecting computer disks as evidence is a fundamental step in digital forensics, involving the careful identification, acquisition, and preservation of data stored on physical storage devices.
Key steps in collecting computer disks as evidence:
- Identification: Determine which computer disks are relevant to the investigation or case.
- Documentation: Record information about the disks, including make, model, serial number, and physical condition.
- Preparation: Use proper tools and techniques to ensure safe handling and prevent data alteration during collection.
- Acquisition: Create forensic images (bit-for-bit copies) of the disks to capture all data, including deleted and hidden files.
- Verification: Confirm the integrity of the acquired images by performing hash calculations and comparisons.
- Documentation: Maintain a detailed chain of custody log to track the movement and handling of the collected disks.
- Storage: Securely store the acquired disk images to prevent tampering, loss, or contamination.
Importance of collecting computer disks as evidence:
- Preservation: Disk collection ensures that digital evidence is preserved in its original state.
- Analysis: Acquired data can be analyzed for information related to incidents, criminal activities, or legal matters.
- Legal Admissibility: Collected disk images are properly documented and handled to maintain their admissibility in court.
- Investigative Insight: Disk data provides insights into user activities, files, software, and potential evidence trails.
Collecting computer disks as evidence requires expertise, adherence to forensic procedures, and a commitment to maintaining the integrity of the collected data.