Fiscal Year 202425
Internal Audit - Audit Reports - FY 2024-25Audit No. 2306-F1 First & Final Close-Out Follow-Up Internal Control Audit: Child Support Services Cash ReceiptsRevision Date:…
Fiscal Year 202223
Internal Audit - Audit Reports - FY 2022-23Audit No. 2259-E Second & Final Close-Out Follow-Up Information Technology Audit: John Wayne Airport Selected IT General…
Risk Assessment Audit Plan
Annually, we perform a countywide risk assessment to identify areas of risk in financial business processes and information technology environments. A survey is distributed to county departments and…
Fiscal Year 202526
Internal Audit - Audit Reports - FY 2025-26OCWR Selected Cybersecurity Controls (Audit No. 2413)Publish Date: 09/03/2025Contract Compliance Audit: OC Waste & Recycling – Waste…
Oversight Committees
The purpose of the AOC is to serve as an advisory committee to the Board of Supervisors on issues related to the County’s internal and performance audit functions. In addition, the AOC performs the…
Information Technology Audits
The Internal Audit Department provides a variety of information technology audit services to County departments including: Cybersecurity and IT general controls audits – security planning and…
Mandates and Standards
MandatesThe Internal Audit Department complies with Section 1236 of the California Government Code, which states that all county employees who conduct internal audits “…shall utilize the general and…