How does FTK ensure data integrity during analysis?

FTK ensures data integrity during analysis primarily by creating read-only copies of the original data. This process is crucial because it allows forensic examiners to work with a duplicate of the data while preserving the original evidence in its unchanged state. Creating a read-only copy prevents any modifications or alterations to the source data that could compromise its integrity. When forensic analysis is conducted, it is critical to maintain a chain of custody, and having a read-only image supports this requirement, allowing auditors and other parties to verify that the original evidence has not been altered.

By focusing on the creation of read-only copies, FTK also facilitates repeatable and reliable analyses, ensuring that examiners can reliably reproduce results without risking changes to the original files. This practice aligns with standard protocols in digital forensics aimed at maintaining the authenticity and reliability of evidence throughout the investigative process.