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Best SIEM Software 2026
Security teams comparing SIEM software can look closely at how entries handle detections, event data, and alerts. Compared on custom detection rules and real-time alerting, the options also vary by deployment, data retention, and query language. The listed free ingestion limit can help frame data-volume considerations; free-plan availability and paid-from pricing add plan and cost details. Elastic Security, Rapid7 InsightIDR, and CrowdStrike Falcon Next-Gen SIEM are among the entries shown. Compare these detection and data-handling details with your operational needs to narrow down which capabilities deserve closer attention.
02
Wazuh
Wazuh describes its users as ranging from individuals and small businesses to large enterprises.
WebWindowsMac+3 Record6.3 Visit
03
Blumira
Blumira is intended for small and mid-size teams that need workspace security monitoring without a dedicated security operations center.
AndroidiPhone & iPadWeb+5 Record6.0 Visit
04
Microsoft Defender for Business
AndroidiPhone & iPadWindows+2 Record5.6 Visit
05
nano SIEM
nano SIEM suits security teams seeking log analytics for detection, investigation, and response.
WebWindowsMac+3 Record5.6 Visit
6
Sumo Logic
WebWindowsMac+2 Free plan Record5.6 Visit Sumo Logic may suit teams that need cloud-based log handling, parsing, live inspection, and archive export.
7
Elastic Security
WebLinuxAPI+1 $0.09 usage-based Record5.4 Visit It suits security teams looking for threat detection, response, and endpoint or cloud protections in one platform.
8
ManageEngine Log360
WebWindowsLinux+2 $245 a year Record5.3 Visit Log360 is presented for enterprise security operations centers, including organizations in financial services, healthcare, government, and education.
9
Vigil
WebWindowsMac+3 Free plan Record5.3 Visit Vigil suits teams seeking self-hosted endpoint-event detection and structured output for AI agents.
10
LogSentinel SIEM
WebWindowsLinux+2 Free plan Record4.6 Visit It suits mid-market security teams and MSSPs that need log monitoring, detection, and incident response.
11
MaxPatrol SIEM
WebWindowsLinux+1 — Record4.3 Visit It suits security teams seeking infrastructure visibility and incident detection across varied systems.
12
NetWitness Platform
WebWindowsMac+3 — Record4.2 Visit NetWitness is designed for large, complex enterprises and serves enterprise and government customers managing IT and OT security.
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