A large healthcare organization is reviewing its data maintenance practices for patient records. During this review, the security team identified that medical images were frequently modified after initial creation, with no records of who made changes, when changes were made, or what was changed. What should the security team recommend implementing to address this issue?
Audit trails are the correct solution because they provide a chronological record of system activities that captures who performed what action, when it was performed, and what changes were made. In healthcare environments where data integrity is crucial, audit trails help maintain records of all modifications to sensitive data such as medical images.
Change management would address future modifications but wouldn't track the details of each change in the systematic way audit trails do. Version control is helpful for reverting to previous versions but doesn't inherently track who made changes. Data loss prevention focuses on preventing unauthorized data transfers rather than tracking authorized modifications.
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