How popular isMicrosoft Defender in search?
In August 2026, there were an estimated 90.5K branded searches for Microsoft Defender worldwide which is down 17.7% over the last 11 months. Microsoft Defender holds 17.3% estimated Share of Search among endpoint detection platforms worldwide and is ranked 3rd of 6 competitors for search popularity. These are worldwide searches for English-language branded terms.
CrowdStrike51.9%
SentinelOne17.9%
Microsoft Defender17.3%Trellix6.3%
- Carbon Black5.2%
Cybereason1.3%
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Which endpoint detection platforms compete with Microsoft Defender?
Share of Search by month for CrowdStrike, SentinelOne, Microsoft Defender, Trellix, Carbon Black. The figures are in the table below the chart.
View monthly share of search table
| Month | CrowdStrike | SentinelOne | Microsoft Defender | Trellix | Carbon Black | Cybereason |
|---|---|---|---|---|---|---|
| Oct 2025 | 50.9% | 17.7% | 17.1% | 6.3% | 5.1% | 2.8% |
| Nov 2025 | 49.8% | 17.5% | 16.8% | 7.5% | 6.1% | 2.2% |
| Dec 2025 | 46.6% | 19.7% | 19% | 6.9% | 5.7% | 2.1% |
| Jan 2026 | 49.2% | 17.1% | 19.9% | 6% | 6% | 1.8% |
| Feb 2026 | 51.7% | 17.9% | 17.2% | 6.3% | 5.1% | 1.9% |
| Mar 2026 | 53.2% | 18.5% | 14.7% | 6.6% | 5.4% | 1.6% |
| Apr 2026 | 51.1% | 17.7% | 17% | 7.6% | 5.1% | 1.5% |
| May 2026 | 49.4% | 17% | 16.4% | 10.9% | 4.9% | 1.5% |
| Jun 2026 | 53.7% | 18.4% | 14.5% | 6.5% | 5.3% | 1.6% |
| Jul 2026 | 53.6% | 18.4% | 14.5% | 6.5% | 5.3% | 1.6% |
| Aug 2026 | 51.9% | 17.9% | 17.3% | 6.3% | 5.2% | 1.3% |
| Sep 2026 | — | — | — | — | — | — |
| Rank | Brand | Share of Search | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 51.9% | 271K | -0.5% | -1.6 points | |
| 2, held 2nd | 17.9% | 93.7K | -0.12% | -0.5 points | |
| 3, held 3rd | 17.3% | 90.5K | +22.3% | +2.8 points | |
| 4, held 4th | 6.3% | 33.1K | 0% | -0.2 points | |
| 5, held 5th | 5.2% | 27.1K | 0% | -0.1 points | |
| 6, held 6th | 1.3% | 6.6K | -18.5% | -0.3 points |
51.9%
Held 1st. 271K estimated branded searches, -0.5% vs prior month. Share -1.6 points.
17.9%
Held 2nd. 93.7K estimated branded searches, -0.12% vs prior month. Share -0.5 points.
17.3%
Held 3rd. 90.5K estimated branded searches, +22.3% vs prior month. Share +2.8 points.
4.
Trellix
6.3%
Held 4th. 33.1K estimated branded searches, 0% vs prior month. Share -0.2 points.
5.2%
Held 5th. 27.1K estimated branded searches, 0% vs prior month. Share -0.1 points.
1.3%
Held 6th. 6.6K estimated branded searches, -18.5% vs prior month. Share -0.3 points.
Compare search popularity between Microsoft Defender and its closest rivals

Microsoft Defender vs CrowdStrike: compare search popularity
Microsoft Defender vs SentinelOne: compare search popularity
Microsoft Defender vs Trellix: compare search popularity
Microsoft Defender vs Carbon Black: compare search popularity
Microsoft Defender vs Cybereason: compare search popularity- Compare Microsoft Defender with any brand
How has branded search demand for Microsoft Defender changed worldwide over the last 12 months?
2 findings
- Across the 11 months ending August 2026, estimated monthly branded searches for Microsoft Defender worldwide fell from 110K to 90.5K.
- Across the 11 months ending August 2026, Microsoft Defender’s estimated Share of Search among endpoint detection platforms worldwide peaked at 19.9% in January 2026 and was lowest at 14.5% in June 2026.
How did search popularity change for endpoint detection platforms worldwide in August 2026?
6 changes

In August 2026, Microsoft Defender gained estimated Share of Search among endpoint detection platforms worldwide, from 14.5% to 17.3%.

In August 2026, CrowdStrike lost estimated Share of Search among endpoint detection platforms worldwide, from 53.6% to 51.9%.

Estimated monthly branded searches for Cybereason worldwide fell 63.5% over 11 measured months, from 18.1K to 6.6K in August 2026.
Estimated monthly branded searches for Trellix worldwide fell 18.3% over 11 measured months, from 40.5K to 33.1K in August 2026.
Estimated monthly branded searches for Carbon Black worldwide fell 18.1% over 11 measured months, from 33.1K to 27.1K in August 2026.

Estimated monthly branded searches for SentinelOne worldwide fell 17.7% over 11 measured months, from 114K to 93.7K in August 2026.
How is Microsoft Defender measured?
Brandwave collects information about searches that people make online using Microsoft Defender’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.
1 branded search term
- microsoft defender
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Is Microsoft Defender your brand?
Put your own campaigns, spend and outcomes next to this demand line, so you can see which of your marketing lined up with the movements above.