control testing , change management, Iso 27001, IT General Controls, Microsoft Excel, audit tools, System Operations, Risk Assessment, reporting platforms, backup or recovery controls, Audit Reports, Internal Audit, It Audit, access management, Cobit, External Audit, audit planning, audit workpapers, Data Analysis, risk and control matrices, Risk Advisory, analytical procedures, control frameworks, walkthrough documentation, nist, Sox, ITGC methodologies