Graylog
Open core log management platform with SIEM features, event definitions, and alerting.
Technical Architecture & Overview
Graylog centralizes log collection and search on the OpenSearch backend, with pipelines, extractors, event correlation definitions, and alerting. The open core covers a functional SIEM baseline, while commercial plans add features such as archives, forecasts, and enterprise integrations. The 2026 release line introduced automated investigations and behavioral detection in the commercial tiers.
Targeted Technical Use Cases
Log-first teams that want strong search and pipeline tooling before committing to SIEM-specific products.
Evaluation & Trade-offs
Core Strengths
- +Excellent search and extraction workflow for raw logs.
- +Event definitions express correlation without paid add-ons.
- +Predictable deployment and scaling model.
Trade-Offs & Limitations
- -The headline AI features are commercial.
- -Out-of-the-box detection content is lighter than SIEM incumbents.
Defensive Security Application
Central log collection with rule-based correlation and alerting for security monitoring.
Frequently Asked Questions
What is Graylog?→
Graylog centralizes log collection and search on the OpenSearch backend, with pipelines, extractors, event correlation definitions, and alerting. The open core covers a functional SIEM baseline, while commercial plans add features such as archives, forecasts, and enterprise integrations. The 2026 release line introduced automated investigations and behavioral detection in the commercial tiers.
What is Graylog used for?→
Log-first teams that want strong search and pipeline tooling before committing to SIEM-specific products.
What are the strengths of Graylog?→
- +Excellent search and extraction workflow for raw logs.
- +Event definitions express correlation without paid add-ons.
- +Predictable deployment and scaling model.
What are the limitations of Graylog?→
- +The headline AI features are commercial.
- +Out-of-the-box detection content is lighter than SIEM incumbents.
How is Graylog used defensively?→
Central log collection with rule-based correlation and alerting for security monitoring.