In response to concerns about election integrity, Maricopa County, one of the largest voting jurisdictions in the United States, implemented Fine-Grained Authorization (FGA) to enhance security in its voter registration system, Arrow. Traditional role-based access control was insufficient for managing permissions in such a large and fluctuating workforce, especially during election periods. FGA allowed the county to make nuanced authorization decisions based on multiple factors, enabling precise control over access to data and functions within the system. The county utilized Permit.io to integrate FGA without needing to completely refactor their existing system, allowing permissions to be managed through a no-code UI. This approach streamlined the process, reduced the burden on IT departments, and ensured that access was aligned with the principle of least privilege. The shift not only improved security but also increased efficiency by delegating permissions management to department managers, thus allowing IT resources to focus on more critical tasks. Maricopa County's experience serves as a model for developers facing similar challenges in protecting sensitive data and maintaining system integrity.