Best SIEM Software in 2026
Updated
In short: Elastic Security is ranked #1 of 25 as of 4 October 2026, ahead of Rapid7 InsightIDR and CrowdStrike Falcon Next-Gen SIEM. The best-ranked option with a free plan is Sumo Logic. The lowest first paid tier on this page is Elastic Security at $0.09/mo.
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.
25 SIEM software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
Recognised 40% · Phone app 26% · Documented 20% · Free plan 14% of the score
- 1 Elastic Security No phone app RecognisedPhone appDocumentedFree plan 8.1$0.09/mo Custom detection rules: Yes
- 2 Rapid7 InsightIDR No phone app RecognisedPhone appDocumentedFree plan 7.1 Data retention: 90 daysCustom detection rules: Yes
- 3 CrowdStrike Falcon Next-Gen SIEM No phone app RecognisedPhone appDocumentedFree plan 6.9
- 4 FortiSIEM No phone app RecognisedPhone appDocumentedFree plan 6.9 Custom detection rules: Yes
- 5 Securonix Unified Defense SIEM No phone app RecognisedPhone appDocumentedFree plan 6.8 Data retention: 90 daysCustom detection rules: Yes
- 6 Sumo Logic No phone app RecognisedPhone appDocumentedFree plan 6.7Free
- 7 NetWitness Platform No phone app RecognisedPhone appDocumentedFree plan 6.6
- 8 UTMStack No phone app RecognisedPhone appDocumentedFree plan 6.6$238.80/mo
- 9 Seceon Open Threat Management No phone app RecognisedPhone appDocumentedFree plan 6.6 Data retention: 365 daysCustom detection rules: Yes
- 10 Wazuh No phone app RecognisedPhone appDocumentedFree plan 6.6$571/mo
- 11 Panther No phone app RecognisedPhone appDocumentedFree plan 6.5 Custom detection rules: Yes
- 12 Hunters No phone app RecognisedPhone appDocumentedFree plan 6.5 Custom detection rules: Yes
- 13 LogSentinel SIEM No phone app RecognisedPhone appDocumentedFree plan 6.4 Custom detection rules: Yes
- 14 Microsoft Defender for Business iPhone + Android RecognisedPhone appDocumentedFree plan 6.4$3/mo
- 15 MaxPatrol SIEM No phone app RecognisedPhone appDocumentedFree plan 6.3 Custom detection rules: Yes
- 16 ManageEngine Log360 No phone app RecognisedPhone appDocumentedFree plan 6.3$20.42/mo Custom detection rules: Yes
- 17 Vigil No phone app RecognisedPhone appDocumentedFree plan 6.3Free Custom detection rules: Yes
- 18 nano SIEM No phone app RecognisedPhone appDocumentedFree plan 6.2$26/mo Data retention: 365 daysCustom detection rules: Yes
- 19 Splunk Enterprise No phone app RecognisedPhone appDocumentedFree plan 6.0
- 20 Coralogix SIEM No phone app RecognisedPhone appDocumentedFree plan 5.7$0.42/mo Custom detection rules: Yes
- 21 IBM QRadar SIEM No phone app RecognisedPhone appDocumentedFree plan 5.5
- 22 Blumira No phone app RecognisedPhone appDocumentedFree plan 5.5$12/mo Data retention: 365 daysCustom detection rules: No
- 23 Graylog Security No phone app RecognisedPhone appDocumentedFree plan 5.0$1,500/mo Custom detection rules: Yes
- 24 Siemens SIEM No phone app RecognisedPhone appDocumentedFree plan 4.9
- 25 SolarWinds Security Event Manager No phone app RecognisedPhone appDocumentedFree plan 4.8 Data retention: 50 daysCustom detection rules: Yes
Is your app on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which SIEM software is ranked first on Samsung Mobile US Press?
Elastic Security is ranked #1 of 25 with a score of 8.1. Rapid7 InsightIDR is second and CrowdStrike Falcon Next-Gen SIEM third.
How many of these have a free plan?
4 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Elastic Security has the lowest first paid tier we found: $0.09/mo.
How is this list ranked?
Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation. Paid placements never change a rank.