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Fleetora · first roles in DEAmazon GuardDuty VS Microsoft Defender for Cloud_
As of 4 November 2026, Microsoft Defender for Cloud is named by 425 companies and Amazon GuardDuty by 402; Amazon GuardDuty skews to companies under 200 people (43% vs 28%), Microsoft Defender for Cloud to companies over 1,000 (41% vs 30%).
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: Amazon GuardDuty's script and mail records show on hundreds of thousands of small sites, Microsoft Defender for Cloud rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Amazon GuardDuty: 2–200 employees
- 43%
- Microsoft Defender for Cloud: 2–200 employees
- 28%
- Amazon GuardDuty: 1,000+ employees
- 30%
- Microsoft Defender for Cloud: 1,000+ employees
- 41%
- Postings per company, 90 days
- 1.7 · 2.5
- 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 | Amazon GuardDuty | share | Microsoft Defender for Cloud | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 8 | 2% | 8 | 2% | even |
| 2-10 employees | 26 | 6% | 20 | 5% | even |
| 11-50 employees | 54 | 13% | 35 | 8% | Amazon GuardDuty |
| 51-200 employees | 91 | 23% | 64 | 15% | Amazon GuardDuty |
| 201-500 employees | 59 | 15% | 65 | 15% | even |
| 501-1000 employees | 43 | 11% | 57 | 13% | Microsoft Defender for Cloud |
| 1001-5000 employees | 66 | 16% | 102 | 24% | Microsoft Defender for Cloud |
| 5001-10000 employees | 21 | 5% | 27 | 6% | even |
| 10,001+ employees | 34 | 8% | 47 | 11% | Microsoft Defender for Cloud |
| Segment | Amazon GuardDuty | share | Microsoft Defender for Cloud | share | Leans |
|---|---|---|---|---|---|
| Technology & software | 205 | 51% | 177 | 42% | Amazon GuardDuty |
| Business & finance services | 90 | 22% | 118 | 28% | Microsoft Defender for Cloud |
| Manufacturing & industry | 29 | 7% | 34 | 8% | even |
| Media & content | 14 | 3% | 12 | 3% | even |
| Utilities & infrastructure | 14 | 3% | 15 | 4% | even |
| Consumer services & leisure | 12 | 3% | 15 | 4% | even |
| Commerce & trade | 10 | 2% | 10 | 2% | even |
| Public, community & associations | 9 | 2% | 8 | 2% | even |
| Health care | 6 | 1% | 15 | 4% | Microsoft Defender for Cloud |
| Automotive | 4 | 1% | 4 | 1% | even |
| Property & construction | 4 | 1% | 7 | 2% | even |
| Hospitality & travel | 2 | 0% | – | – | outside top 12 |
| Transport, logistics & rental | – | – | 4 | 1% | outside top 12 |
| Segment | Amazon GuardDuty | share | Microsoft Defender for Cloud | share | Leans |
|---|---|---|---|---|---|
| United States | 266 | 66% | 256 | 60% | Amazon GuardDuty |
| United Kingdom | 29 | 7% | 35 | 8% | even |
| India | 11 | 3% | 10 | 2% | even |
| Canada | 9 | 2% | 9 | 2% | even |
| Germany | 7 | 2% | 18 | 4% | Microsoft Defender for Cloud |
| Brazil | 6 | 1% | 4 | 1% | even |
| France | 6 | 1% | 8 | 2% | even |
| Netherlands | 6 | 1% | 6 | 1% | even |
| Singapore | 6 | 1% | 5 | 1% | even |
| Australia | 5 | 1% | 7 | 2% | even |
| Japan | 4 | 1% | – | – | outside top 12 |
| Austria | 3 | 1% | – | – | outside top 12 |
| Switzerland | – | – | 6 | 1% | outside top 12 |
| Italy | – | – | 6 | 1% | outside top 12 |
| Segment | Amazon GuardDuty | share | Microsoft Defender for Cloud | share | Leans |
|---|---|---|---|---|---|
| IT operations & business systems | 642 | 69% | 936 | 72% | Microsoft Defender for Cloud |
| Software engineering | 182 | 20% | 168 | 13% | Amazon GuardDuty |
| Customer service & success | 14 | 2% | 4 | 0% | even |
| Data & AI | 9 | 1% | 53 | 4% | Microsoft Defender for Cloud |
| Product, program & project management | 8 | 1% | 3 | 0% | even |
| Sales | 6 | 1% | 22 | 2% | even |
| Engineering (non-software) | 3 | 0% | 19 | 1% | even |
| Legal, compliance & risk | 2 | 0% | – | – | outside top 12 |
| construction and civil | 1 | 0% | 2 | 0% | even |
| Design & UX | 1 | 0% | – | – | outside top 12 |
| facilities cleaning and security | 1 | 0% | 4 | 0% | even |
| General management & consulting | 1 | 0% | – | – | outside top 12 |
| Human resources | 1 | 0% | – | – | outside top 12 |
| Marketing & communications | 1 | 0% | 4 | 0% | even |
| Business development & strategy | – | – | 2 | 0% | outside top 12 |
| Education & training | – | – | 2 | 0% | outside top 12 |
| Finance & accounting | – | – | 1 | 0% | outside top 12 |
| Quality, safety & environment | – | – | 1 | 0% | outside top 12 |
| skilled trades and field service | – | – | 1 | 0% | outside top 12 |
| Unclassified | – | – | 1 | 0% | outside top 12 |
The companies behind each column
Companies using Amazon GuardDuty →
Companies using Microsoft Defender for Cloud →
cloud security cnapp ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Microsoft Defender for Cloud is named by 425 companies in job postings and Amazon GuardDuty by 402; 88 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/aws-guardduty-vs-microsoft-defender-for-cloud)
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.
Amazon GuardDuty vs Microsoft Defender for Cloud: questions
Which is more used, Amazon GuardDuty or Microsoft Defender for Cloud?
By companies naming it in their own job postings, Microsoft Defender for Cloud (425) over Amazon GuardDuty (402). By website-and-DNS footprint, Microsoft Defender for Cloud (0 vs 0), because its scripts and mail records sit on many small company sites.
Who chooses Amazon GuardDuty?
43% of Amazon GuardDuty companies have 2 to 200 employees, against 28% for Microsoft Defender for Cloud. 30% of Amazon GuardDuty companies have over 1,000 employees, against 41% for Microsoft Defender for Cloud.
Do companies run both?
88 companies name both in their postings, usually Amazon GuardDuty in marketing and Microsoft Defender for Cloud 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
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Every company on either tool,
with the person who owns it
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