Building a Detection Layer on PostgreSQL with Sigma Rules

How RSigma turns 3,800+ community detection rules into SQL queries for TimescaleDB This is the third article in a series on RSigma . The first article introduced RSigma as a CLI tool for evaluating Sigma rules against JSON logs. The second article covered running it as a streaming daemon for real-time detection. This one is about something different: what if you already have the data in…