Open-source SIEM and security analytics built on the ELK Stack
Pricing: Resource-based (nodes/capacity)
Deployment: Cloud, Self-hosted, Open source
Certifications: SOC 2, ISO 27001, PCI DSS
Microsoft Sentinel alternatives (2026)
8 siem & security analytics tools listed alongside Microsoft Sentinel for side-by-side comparison on capabilities, pricing, and deployment. No editorial ranking.
Why look for Microsoft Sentinel alternatives?
Microsoft Sentinel is a strong option for siem & security analytics, but it's not the right fit for every team. Common reasons teams look elsewhere: per-gb costs can spike with non-microsoft data sources; kql learning curve for teams used to other query languages.
Below we list 8 alternatives, broken down by deployment model. All data is aggregated from official documentation and community feedback.
Head-to-Head Comparisons
Open Source Alternatives to Microsoft Sentinel
Open-source log management and SIEM platform with intuitive analytics
Pricing: Per-node licensing (Operations and Security tiers)
Deployment: Cloud, Self-hosted, Open source
Cloud-Managed Alternatives
Enterprise SIEM and security analytics platform for threat detection and incident response
Pricing: Workload-based or ingest-based
Deployment: Cloud
Certifications: SOC 2, ISO 27001, FedRAMP, PCI DSS +1
Cloud-native SIEM and security analytics with automated threat detection
Pricing: Ingest-based (per GB/day)
Deployment: Cloud
Certifications: SOC 2 Type II, ISO 27001, FedRAMP Moderate, PCI DSS
Unified security and observability platform with cloud SIEM and posture management
Pricing: Per-GB analyzed + per-host for additional modules
Deployment: Cloud
Self-Hosted Alternatives
Open-source SIEM and security analytics built on the ELK Stack
Pricing: Resource-based (nodes/capacity)
Deployment: Cloud, Self-hosted, Open source
Certifications: SOC 2, ISO 27001, PCI DSS
AI-powered enterprise SIEM with automated threat detection and investigation
Pricing: Events per second (EPS) or flows per minute
Deployment: Cloud, Self-hosted
Open-source log management and SIEM platform with intuitive analytics
Pricing: Per-node licensing (Operations and Security tiers)
Deployment: Cloud, Self-hosted, Open source
Unified SIEM platform with threat lifecycle management and built-in SOAR
Pricing: Perpetual license or subscription (MPS-based)
Deployment: Cloud, Self-hosted
Behavioral analytics SIEM with automated investigation and response
Pricing: Per-user or per-GB subscription
Deployment: Cloud, Self-hosted
Certifications: SOC 2 Type II, ISO 27001