Elastic Security alternatives (2026)

8 open source siem tools listed alongside Elastic Security for side-by-side comparison on capabilities, pricing, and deployment. No editorial ranking.

Why look for Elastic Security alternatives?

Elastic Security is a strong option for open source siem, but it's not the right fit for every team. Common reasons teams look elsewhere: complex cluster management at scale; advanced features require paid subscription.

Below we list 8 alternatives, broken down by deployment model. All data is aggregated from official documentation and community feedback.

Head-to-Head Comparisons

Elastic Security vs Splunk Elastic Security vs Sumo Logic Elastic Security vs Datadog Security Elastic Security vs IBM QRadar Elastic Security vs Microsoft Sentinel Elastic Security vs Graylog Elastic Security vs LogRhythm Elastic Security vs Exabeam

Open Source Alternatives to Elastic Security

Graylog

OSS

Open-source log management and SIEM platform with intuitive analytics

CloudSelf-hosted

Per-node licensing (Operations and Security tiers)

Cloud-Managed Alternatives

Splunk

Enterprise SIEM and security analytics platform for threat detection and incident response

Cloud

Workload-based or ingest-based

Sumo Logic

Cloud-native SIEM and security analytics with automated threat detection

Cloud

Ingest-based (per GB/day)

Datadog Security

Unified security and observability platform with cloud SIEM and posture management

Cloud

Per-GB analyzed + per-host for additional modules

Microsoft Sentinel

Cloud-native Azure SIEM with AI-powered detection and automated response

Cloud

Per-GB ingested (with commitment tier discounts)

Self-Hosted Alternatives

IBM QRadar

AI-powered enterprise SIEM with automated threat detection and investigation

CloudSelf-hosted

Events per second (EPS) or flows per minute

Graylog

OSS

Open-source log management and SIEM platform with intuitive analytics

CloudSelf-hosted

Per-node licensing (Operations and Security tiers)

LogRhythm

Unified SIEM platform with threat lifecycle management and built-in SOAR

CloudSelf-hosted

Perpetual license or subscription (MPS-based)

Exabeam

Behavioral analytics SIEM with automated investigation and response

CloudSelf-hosted

Per-user or per-GB subscription