Shipvane · 4 AE roles
Marco E. · joined Cargolio
Fleetora · first roles in DEMicrosoft Defender XDR VS SentinelOne_
As of 4 November 2026, SentinelOne is named by 388 companies and Microsoft Defender XDR by 251; Microsoft Defender XDR skews to companies under 200 people (26% vs 40%), SentinelOne to companies over 1,000 (28% vs 41%).
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Microsoft Defender XDR's script and mail records show on hundreds of thousands of small sites, SentinelOne rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Microsoft Defender XDR: 2–200 employees
- 26%
- SentinelOne: 2–200 employees
- 40%
- Microsoft Defender XDR: 1,000+ employees
- 41%
- SentinelOne: 1,000+ employees
- 28%
- Postings per company, 90 days
- 2.5 · 2.5
- Website or DNS footprint
- 0 · 331
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Microsoft Defender XDR | share | SentinelOne | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 4 | 2% | 8 | 2% | even |
| 2-10 employees | 12 | 5% | 26 | 7% | even |
| 11-50 employees | 16 | 6% | 52 | 13% | SentinelOne |
| 51-200 employees | 37 | 15% | 79 | 20% | SentinelOne |
| 201-500 employees | 49 | 20% | 65 | 17% | Microsoft Defender XDR |
| 501-1000 employees | 29 | 12% | 49 | 13% | even |
| 1001-5000 employees | 60 | 24% | 67 | 17% | Microsoft Defender XDR |
| 5001-10000 employees | 12 | 5% | 14 | 4% | even |
| 10,001+ employees | 32 | 13% | 28 | 7% | Microsoft Defender XDR |
| Segment | Microsoft Defender XDR | share | SentinelOne | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 104 | 41% | 201 | 52% | SentinelOne |
| Business & finance services | 63 | 25% | 73 | 19% | Microsoft Defender XDR |
| Manufacturing & industry | 27 | 11% | 35 | 9% | even |
| Utilities & infrastructure | 11 | 4% | 12 | 3% | even |
| Public, community & associations | 10 | 4% | 6 | 2% | Microsoft Defender XDR |
| Commerce & trade | 9 | 4% | 10 | 3% | even |
| Property & construction | 7 | 3% | 6 | 2% | even |
| Consumer services & leisure | 6 | 2% | 12 | 3% | even |
| Hospitality & travel | 4 | 2% | 7 | 2% | even |
| Health care | 3 | 1% | 9 | 2% | even |
| Media & content | 3 | 1% | 7 | 2% | even |
| Transport, logistics & rental | 3 | 1% | 9 | 2% | even |
| Segment | Microsoft Defender XDR | share | SentinelOne | share | Leans |
|---|---|---|---|---|---|
| United States | 127 | 51% | 252 | 65% | SentinelOne |
| United Kingdom | 29 | 12% | 26 | 7% | Microsoft Defender XDR |
| Germany | 19 | 8% | 11 | 3% | Microsoft Defender XDR |
| Netherlands | 10 | 4% | – | – | outside top 12 |
| Canada | 7 | 3% | 17 | 4% | even |
| Belgium | 6 | 2% | 6 | 2% | even |
| France | 6 | 2% | 13 | 3% | even |
| Sweden | 5 | 2% | – | – | outside top 12 |
| Australia | 4 | 2% | 4 | 1% | even |
| Switzerland | 4 | 2% | 4 | 1% | even |
| Poland | 4 | 2% | – | – | outside top 12 |
| Spain | 3 | 1% | – | – | outside top 12 |
| India | – | – | 10 | 3% | outside top 12 |
| Italy | – | – | 4 | 1% | outside top 12 |
| United Arab Emirates | – | – | 3 | 1% | outside top 12 |
| Brazil | – | – | 3 | 1% | outside top 12 |
| Segment | Microsoft Defender XDR | share | SentinelOne | share | Leans |
|---|---|---|---|---|---|
| IT operations & business systems | 597 | 82% | 724 | 61% | Microsoft Defender XDR |
| Sales | 16 | 2% | 136 | 11% | SentinelOne |
| Customer service & success | 13 | 2% | 50 | 4% | SentinelOne |
| Product, program & project management | 7 | 1% | 24 | 2% | even |
| Software engineering | 6 | 1% | 81 | 7% | SentinelOne |
| Engineering (non-software) | 4 | 1% | 15 | 1% | even |
| facilities cleaning and security | 4 | 1% | 3 | 0% | even |
| Administration & office | 2 | 0% | – | – | outside top 12 |
| Data & AI | 2 | 0% | 19 | 2% | even |
| General management & consulting | 2 | 0% | 3 | 0% | even |
| skilled trades and field service | 2 | 0% | 1 | 0% | even |
| Business development & strategy | 1 | 0% | 7 | 1% | even |
| Education & training | 1 | 0% | – | – | outside top 12 |
| Legal, compliance & risk | 1 | 0% | 13 | 1% | even |
| Marketing & communications | 1 | 0% | 9 | 1% | even |
| Unclassified | – | – | 4 | 0% | outside top 12 |
| Finance & accounting | – | – | 2 | 0% | outside top 12 |
| Human resources | – | – | 1 | 0% | outside top 12 |
| logistics warehouse and transport | – | – | 1 | 0% | outside top 12 |
| Travel, leisure & events | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Microsoft Defender XDR →
Companies using SentinelOne →
endpoint protection edr ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
SentinelOne is named by 388 companies in job postings and Microsoft Defender XDR by 251; 32 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/microsoft-defender-xdr-vs-sentinelone)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Microsoft Defender XDR vs SentinelOne: questions
Which is more used, Microsoft Defender XDR or SentinelOne?
By companies naming it in their own job postings, SentinelOne (388) over Microsoft Defender XDR (251). By website-and-DNS footprint, SentinelOne (331 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Microsoft Defender XDR?
26% of Microsoft Defender XDR companies have 2 to 200 employees, against 40% for SentinelOne. 41% of Microsoft Defender XDR companies have over 1,000 employees, against 28% for SentinelOne.
Do companies run both?
32 companies name both in their postings, usually Microsoft Defender XDR in marketing and SentinelOne in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
Get either list your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
Every company on either tool,
with the person who owns it
Filter on Microsoft Defender XDR or SentinelOne, and get 1,000 records free.