CybersecKyle Security How-To Series: Blue Team Fundamentals, Part 6 - SIEM-Lite with a Few Useful Alerts

Part 6 of the Blue Team Fundamentals track in my CybersecKyle Security How-To Series turns a few reliable log sources into detections with owners, response notes, and test evidence.SIEM-lite is not an undersized enterprise SIEM. It is a small operating model for environments that cannot justify collecting every endpoint, network, identity, and application event. The platform may be a hosted log service, an open-source stack, a monitoring tool, or several provider alerts routed to one reviewed destination. The requirements are the same: the event must arrive, preserve enough context, trigger a meaningful condition, and reach someone who knows what to do.The earlier home logging guide starts with investigation questions. Keep that discipline. A SIEM does not rescue data that has the wrong timestamp, omits the affected user, or disappears before anyone looks.Build a source catalog before an ingestion pipelineSelect sources that cover control points rather than every device:Identity:…