What are digital forensic techniques? A. Identifying, extracting, and evaluating evidence obtained from digital media such as computer hard drives, CDs, DVDs, and other digital storage devices B. A series of tools and techniques used to prevent forensic examination from identifying an attack or attacker C. A set of concepts and practices that provide detailed descriptions and comprehensive checklists, tasks, and procedures for common IT practices D. A distributed data protection technology that leverages deep analysis, context evaluation, and rules configured from a central console to ensure confidential information remains secure while in use, in transit, and at rest