 Therefore, in addition to defending against malicious hackers and code (e.g., viruses), IA practitioners consider corporate governance issues such as privacy, regulatory and standards compliance, auditing, business continuity, and disaster recovery as they relate to information systems.Further, while information security draws primarily from computer science, IA is an interdisciplinary field requiring expertise in business, accounting, user experience, fraud examination, forensic science, management science, systems engineering, security engineering, and criminology, in addition to computer science.The information assurance process typically begins with the enumeration and classification of the information assets to be protected.