Shipvane · 4 AE roles
Marco E. · joined Cargolio
Fleetora · first roles in DEArcSight VS Microsoft Sentinel_
As of 4 November 2026, Microsoft Sentinel is named by 1,349 companies and ArcSight by 104; ArcSight skews to companies under 200 people (34% vs 33%), Microsoft Sentinel to companies over 1,000 (39% vs 43%).
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: ArcSight's script and mail records show on hundreds of thousands of small sites, Microsoft Sentinel rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- ArcSight: 2–200 employees
- 34%
- Microsoft Sentinel: 2–200 employees
- 33%
- ArcSight: 1,000+ employees
- 43%
- Microsoft Sentinel: 1,000+ employees
- 39%
- Postings per company, 90 days
- 3.1 · 2.7
- Website or DNS footprint
- 0 · 0
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | ArcSight | share | Microsoft Sentinel | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 5 | 5% | 30 | 2% | ArcSight |
| 2-10 employees | 2 | 2% | 85 | 6% | Microsoft Sentinel |
| 11-50 employees | 11 | 11% | 135 | 10% | even |
| 51-200 employees | 22 | 21% | 220 | 16% | ArcSight |
| 201-500 employees | 10 | 10% | 202 | 15% | Microsoft Sentinel |
| 501-1000 employees | 9 | 9% | 153 | 11% | Microsoft Sentinel |
| 1001-5000 employees | 29 | 28% | 278 | 21% | ArcSight |
| 5001-10000 employees | 4 | 4% | 76 | 6% | even |
| 10,001+ employees | 12 | 12% | 170 | 13% | even |
| Segment | ArcSight | share | Microsoft Sentinel | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 56 | 54% | 564 | 42% | ArcSight |
| Business & finance services | 19 | 18% | 329 | 24% | Microsoft Sentinel |
| Manufacturing & industry | 9 | 9% | 131 | 10% | even |
| Consumer services & leisure | 5 | 5% | 44 | 3% | even |
| Property & construction | 4 | 4% | 35 | 3% | even |
| Public, community & associations | 3 | 3% | 52 | 4% | even |
| Utilities & infrastructure | 3 | 3% | 46 | 3% | even |
| Commerce & trade | 2 | 2% | 37 | 3% | even |
| Media & content | 2 | 2% | 29 | 2% | even |
| Transport, logistics & rental | 1 | 1% | 19 | 1% | even |
| Health care | – | – | 37 | 3% | outside top 12 |
| Automotive | – | – | 14 | 1% | outside top 12 |
| Segment | ArcSight | share | Microsoft Sentinel | share | Leans |
|---|---|---|---|---|---|
| United States | 73 | 70% | 767 | 57% | ArcSight |
| United Kingdom | 8 | 8% | 133 | 10% | Microsoft Sentinel |
| Czechia | 3 | 3% | – | – | outside top 12 |
| India | 3 | 3% | 30 | 2% | even |
| Singapore | 3 | 3% | – | – | outside top 12 |
| France | 2 | 2% | 42 | 3% | even |
| United Arab Emirates | 1 | 1% | – | – | outside top 12 |
| Australia | 1 | 1% | 30 | 2% | even |
| Belgium | 1 | 1% | 16 | 1% | even |
| Germany | 1 | 1% | 57 | 4% | Microsoft Sentinel |
| EG | 1 | 1% | – | – | outside top 12 |
| Italy | 1 | 1% | – | – | outside top 12 |
| Canada | – | – | 40 | 3% | outside top 12 |
| Netherlands | – | – | 23 | 2% | outside top 12 |
| Switzerland | – | – | 18 | 1% | outside top 12 |
| Brazil | – | – | 15 | 1% | outside top 12 |
| Sweden | – | – | 12 | 1% | outside top 12 |
| Segment | ArcSight | share | Microsoft Sentinel | share | Leans |
|---|---|---|---|---|---|
| IT operations & business systems | 272 | 62% | 3,118 | 68% | Microsoft Sentinel |
| Data & AI | 16 | 4% | 81 | 2% | even |
| Sales | 11 | 3% | 91 | 2% | even |
| Customer service & success | 8 | 2% | 29 | 1% | even |
| Software engineering | 7 | 2% | 255 | 6% | Microsoft Sentinel |
| Marketing & communications | 5 | 1% | 12 | 0% | even |
| Product, program & project management | 4 | 1% | 45 | 1% | even |
| public safety and protective services | 3 | 1% | 6 | 0% | even |
| skilled trades and field service | 2 | 0% | 11 | 0% | even |
| Design & UX | 1 | 0% | 1 | 0% | even |
| Engineering (non-software) | 1 | 0% | 193 | 4% | Microsoft Sentinel |
| Finance & accounting | 1 | 0% | 12 | 0% | even |
| Human resources | 1 | 0% | – | – | outside top 12 |
| Legal, compliance & risk | – | – | 51 | 1% | outside top 12 |
| facilities cleaning and security | – | – | 33 | 1% | outside top 12 |
| research and science | – | – | 19 | 0% | outside top 12 |
| Quality, safety & environment | – | – | 17 | 0% | outside top 12 |
| healthcare clinical | – | – | 14 | 0% | outside top 12 |
| Business development & strategy | – | – | 13 | 0% | outside top 12 |
| General management & consulting | – | – | 12 | 0% | outside top 12 |
| Unclassified | – | – | 10 | 0% | outside top 12 |
| construction and civil | – | – | 8 | 0% | outside top 12 |
| Education & training | – | – | 8 | 0% | outside top 12 |
| Administration & office | – | – | 7 | 0% | outside top 12 |
| logistics warehouse and transport | – | – | 6 | 0% | outside top 12 |
| procurement and purchasing | – | – | 6 | 0% | outside top 12 |
| social care and community | – | – | 2 | 0% | outside top 12 |
| agriculture and environment | – | – | 1 | 0% | outside top 12 |
| arts media and entertainment | – | – | 1 | 0% | outside top 12 |
| manufacturing and production | – | – | 1 | 0% | outside top 12 |
| Travel, leisure & events | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using ArcSight →
Companies using Microsoft Sentinel →
siem soar threat intel ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Microsoft Sentinel is named by 1,349 companies in job postings and ArcSight by 104; 79 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/arcsight-vs-microsoft-sentinel)
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.
ArcSight vs Microsoft Sentinel: questions
Which is more used, ArcSight or Microsoft Sentinel?
By companies naming it in their own job postings, Microsoft Sentinel (1,349) over ArcSight (104). By website-and-DNS footprint, Microsoft Sentinel (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses ArcSight?
34% of ArcSight companies have 2 to 200 employees, against 33% for Microsoft Sentinel. 43% of ArcSight companies have over 1,000 employees, against 39% for Microsoft Sentinel.
Do companies run both?
79 companies name both in their postings, usually ArcSight in marketing and Microsoft Sentinel 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.
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