Santa is a binary and file access authorization system designed specifically for macOS environments. The system operates through multiple components working together to provide comprehensive execution control and monitoring. The core functionality centers around a system extension that continuously monitors binary executions on the macOS system. When an execution attempt occurs, the system extension communicates with a daemon process that evaluates whether to allow or block the execution based on predefined rules stored in a local database. The decision-making process relies on analyzing the contents and characteristics of binaries against the local rule database. This database contains policies that determine which binaries are authorized to execute and which should be blocked. The system maintains records of both approved ("nice") and blocked ("naughty") binaries, hence the Santa naming convention. User interaction is handled through a GUI agent that provides notifications when execution blocking occurs. This allows users to understand when and why certain applications or binaries have been prevented from running on their system. Administrative control is provided through a command-line utility that enables system administrators to manage the authorization system, configure rules, and synchronize the local database with centralized servers. This synchronization capability allows for enterprise-wide policy management and consistency across multiple macOS endpoints. The system includes comprehensive documentation and deployment guidance, with support resources available through community channels and official documentation hosted at santa.dev.