Mac Guard is a text-based simulation game where the player takes on the role of an IT security analyst tasked with monitoring and protecting a company's macOS endpoints. Using Red Canary Mac Monitor, the player must collect and analyze telemetry data to detect and respond to potential security threats, from malware and phishing attacks to insider threats and data breaches. As the game progresses, the player must make strategic decisions about risk management, employee training, and software patching to keep the company's data and assets safe.