Auditing Internal auditing Information systems audit Operational audit Compliance audit Investigative audit Inherent risk Control risk Detection risk Confirmation Reperformance Vouching Analytical review Materiality Reasonable assurance Systems review Test of controls Compensating controls Source code comparison program Reprocessing Parallel simulation Test data generator Concurrent audit techniques Embedded audit modules Integrated test facility (ITF) Snapshot technique System control audit review file (SCARF) Audit log Computer-assisted audit techniques (CAAT)