osquery: SQL-Powered Endpoint Telemetry

Osquery is an open-source operating system instrumentation framework that exposes an operating system as a high-performance relational database. Developed by Facebook (now Meta), it allows security engineers and IT professionals to query their endpoints like a SQL database, providing unparalleled visibility into device state, activity, and configuration. This article unpacks osquery’s architecture, core concepts, real-world applications, and best practices, equipping technical readers with the knowledge to leverage this powerful tool for enhanced security and operational intelligence.