Microsoft Sentinel vs Splunk:Which is more popular by branded search?
In August 2026, Splunk had more branded searches than Microsoft Sentinel among SIEM platforms worldwide. Splunk was estimated to have 135K branded searches compared to Microsoft Sentinel’s 22.2K, and held a 26.1% Share of Search versus Microsoft Sentinel’s 4.3%. These are worldwide searches for English-language branded terms.
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Which is more popular in search, Microsoft Sentinel or Splunk?
Compare the platforms that collect and analyse security events. Branded searches tell you how often people look for a brand by name or related terms. Comparing these searches across competitors helps you see how popular each brand is over time.
Share of Search by month for Splunk, Microsoft Sentinel. The figures are in the table below the chart.
View monthly share of search table
| Month | Datadog | Splunk | Elastic | Microsoft Sentinel | Sumo Logic |
|---|---|---|---|---|---|
| Oct 2025 | 38.6% | 30.1% | 25.7% | 3.3% | 2.2% |
| Nov 2025 | 42.6% | 27.6% | 23.7% | 3.7% | 2.5% |
| Dec 2025 | 38.4% | 30.2% | 25.8% | 3.3% | 2.2% |
| Jan 2026 | 42.7% | 27.6% | 23.5% | 3.7% | 2.5% |
| Feb 2026 | 42.9% | 27.6% | 23.8% | 3.7% | 2% |
| Mar 2026 | 42.8% | 27.4% | 23.7% | 3.7% | 2.5% |
| Apr 2026 | 44.2% | 28.3% | 21.6% | 3.8% | 2.1% |
| May 2026 | 47% | 24.8% | 21.4% | 4.1% | 2.7% |
| Jun 2026 | 46.3% | 29.3% | 18.3% | 3.9% | 2.2% |
| Jul 2026 | 48.9% | 25.7% | 19.3% | 4.2% | 1.9% |
| Aug 2026 | 49.3% | 26.1% | 18.4% | 4.3% | 1.9% |
| Sep 2026 | — | — | — | — | — |
How has the Microsoft Sentinel and Splunk comparison changed over the last 12 months?
3 findings
- Splunk was ahead of Microsoft Sentinel in every measured month of the 11 months ending August 2026.
- Across the 11 months ending August 2026, Microsoft Sentinel’s estimated Share of Search among SIEM platforms worldwide moved from 3.3% to 4.3%, and its estimated monthly branded searches held steady at 22.2K.
- Across the 11 months ending August 2026, Splunk’s estimated Share of Search among SIEM platforms worldwide moved from 30.1% to 26.1%, and its estimated monthly branded searches moved from 201K to 135K.
How did search popularity change for SIEM platforms worldwide in August 2026?
1 change
Estimated monthly branded searches for Splunk worldwide fell 32.8% over 11 measured months, from 201K to 135K in August 2026.
How each brand is measured
Brandwave collects information about searches that people make online using Microsoft Sentinel’s and Splunk’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Microsoft Sentinel
1 branded search term
- microsoft sentinel
Splunk
1 branded search term
- splunk
Put your own brand in this comparison
Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.