Free plan Free trial Open source From $238.80 a month WebWindowsMacLinuxAPISelf-hosted
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Best SIEM Software 2026
Facts read 19 Sep 2026 – 15 Oct 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.
The standings: top 10
| Name | In a line | Record score | Price from | Try it free | Runs on | Facts read |
|---|---|---|---|---|---|---|
| 01 UTMStack | 6.3 | $238.80 a month | Free plan | Web, Windows, Mac, Linux | 15 Oct 2026 | |
| 02 Wazuh | Wazuh describes its users as ranging from individuals and small businesses to large enterprises. | 6.3 | $571 a month | Free plan | Web, Windows, Mac, Linux | 15 Oct 2026 |
| 03 Blumira | Blumira is intended for small and mid-size teams that need workspace security monitoring without a dedicated security operations center. | 6.0 | — | Free trial | Android, iPhone & iPad, Web, Windows | 14 Oct 2026 |
| 04 Microsoft Defender for Business | 5.6 | — | Free trial | Android, iPhone & iPad, Windows, Mac | 9 Oct 2026 | |
| 05 nano SIEM | nano SIEM suits security teams seeking log analytics for detection, investigation, and response. | 5.5 | $26 a month, billed yearly | Free plan | Web, Windows, Mac, Linux | 29 Sep 2026 |
| 06 Sumo Logic | Sumo Logic may suit teams that need cloud-based log handling, parsing, live inspection, and archive export. | 5.5 | Free plan | Free plan | Web, Windows, Mac, Linux | 14 Oct 2026 |
| 07 Elastic Security | It suits security teams looking for threat detection, response, and endpoint or cloud protections in one platform. | 5.3 | $0.09 usage-based | Free plan | Web, Linux, API, Self-hosted | 29 Sep 2026 |
| 08 Vigil | Vigil suits teams seeking self-hosted endpoint-event detection and structured output for AI agents. | 5.3 | Free plan | Free plan | Web, Windows, Mac, Linux | 15 Oct 2026 |
| 09 ManageEngine Log360 | Log360 is presented for enterprise security operations centers, including organizations in financial services, healthcare, government, and education. | 5.2 | $245 a year | Free trial | Web, Windows, Linux, API | 4 Oct 2026 |
| 10 LogSentinel SIEM | It suits mid-market security teams and MSSPs that need log monitoring, detection, and incident response. | 4.5 | Free plan | Free plan | Web, Windows, Linux, API | 4 Oct 2026 |
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 Record5.5 Visit
6
Sumo Logic
WebWindowsMac+2 Free plan Record5.5 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 Record5.3 Visit It suits security teams looking for threat detection, response, and endpoint or cloud protections in one platform.
8
Vigil
WebWindowsMac+3 Free plan Record5.3 Visit Vigil suits teams seeking self-hosted endpoint-event detection and structured output for AI agents.
9
ManageEngine Log360
WebWindowsLinux+2 $245 a year Record5.2 Visit Log360 is presented for enterprise security operations centers, including organizations in financial services, healthcare, government, and education.
10
LogSentinel SIEM
WebWindowsLinux+2 Free plan Record4.5 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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