Elastic Security
SIEM and XDR built on the Elastic Stack with open detection rules and endpoint integration.
What Is Elastic Security?
Elastic Security turns the Elasticsearch platform into a SIEM, with data ingestion through Elastic Agent and Fleet, prebuilt detection rules mapped to ATT&CK, case management, and endpoint response through the same agent. The base tier is free, with the Security solution code source-available under the Elastic License 2.0, and paid cloud and enterprise tiers on top. The open detection-rules repository stores rules as TOML files with Python tooling for detections as code.
Use Cases
Teams that want a SIEM they can run themselves, with full control over storage, scaling, and detection rules.
Strengths and Limitations
Strengths
- +Free tier covers a working SIEM.
- +Third-party integrations centralize data from many tools and sources.
- +Detection rules are open and customizable.
Limitations
- -Storage engineering is your responsibility on self-managed clusters.
- -Licensing split between free and paid features needs review.
Defensive Use
Log aggregation, correlation, and endpoint response under one searchable data platform.
Elastic Security Alternatives
| Tool | License | Platforms | Pricing |
|---|---|---|---|
| Graylog Open core log management platform with SIEM features, event definitions, and alerting. | SSPL-1.0 (open core) | Web, Linux | Free / Commercial |
| OpenSearch Security Analytics Open source SIEM plugin for OpenSearch with native Sigma rule support and free alerting. | Apache-2.0 | Linux, Windows | Open Source |
| Security Onion Free Linux distribution bundling network monitoring, intrusion detection, and log management. | Elastic-2.0 | Linux | Free / Commercial |
Frequently Asked Questions
What is Elastic Security?→
Elastic Security turns the Elasticsearch platform into a SIEM, with data ingestion through Elastic Agent and Fleet, prebuilt detection rules mapped to ATT&CK, case management, and endpoint response through the same agent. The base tier is free, with the Security solution code source-available under the Elastic License 2.0, and paid cloud and enterprise tiers on top. The open detection-rules repository stores rules as TOML files with Python tooling for detections as code.
What is Elastic Security used for?→
Teams that want a SIEM they can run themselves, with full control over storage, scaling, and detection rules.
What are the strengths of Elastic Security?→
- +Free tier covers a working SIEM.
- +Third-party integrations centralize data from many tools and sources.
- +Detection rules are open and customizable.
What are the limitations of Elastic Security?→
- +Storage engineering is your responsibility on self-managed clusters.
- +Licensing split between free and paid features needs review.
How is Elastic Security used defensively?→
Log aggregation, correlation, and endpoint response under one searchable data platform.