Audit Data Gathering: Sampling, Questionnaires, Interviews, Assertions, and Reference Sources (5.5)

This episode explains how audits and assessments gather evidence to determine whether controls, processes, and security requirements are working as expected. Students should understand sampling as reviewing a representative portion of records or systems rather than every item, while questionnaires and interviews help collect information from control owners, administrators, users, and stakeholders. Assertions are claims about control design, operation, or compliance that must be supported by evidence. Reference sources such as MITRE ATT&CK, the Cyber Kill Chain, and the Diamond Model help…