Defender, Entra, Sentinel, and Purview across the Microsoft estate.
Visit Microsoft SecurityHead to head
Microsoft Security vs Splunk
Overlap: Security operations, SIEM. Compare the facts and capabilities in each company’s listing.
Add more companies to this comparison →SIEM, observability, and security analytics now under Cisco.
Visit Splunk| Company facts | Microsoft Security | Splunk |
|---|---|---|
| Overview | Defender, Entra, Sentinel, and Purview across the Microsoft estate. | SIEM, observability, and security analytics now under Cisco. |
| Type | Product vendor | Product vendor |
| Location | Redmond, US | San Francisco, US |
| Country | United States | United States |
| Founded | 1975 | 2003 |
| Size | 1000+ | 1000+ |
| Segment | Enterprise, Publicly traded | Enterprise, SaaS |
| Listing | Featured — labeled paid shelf | Featured — labeled paid shelf |
| Products | Microsoft Defender, Microsoft Sentinel, Microsoft Defender for Business | — |
| GitHub stars | — | 16,904 |
| Public repos | — | 514 |
| Focus · Security operations | Yes | Yes |
| Focus · Endpoint security | Yes | — |
| Focus · Identity | Yes | — |
| Feature · SIEM | Yes | Yes |
| Feature · identity | Yes | — |
| Feature · SOAR | — | Yes |
| Feature · XDR | Yes | — |
“—” means not listed. Certifications are reported by companies and have not been independently audited by us.
What will you actually buy?
Check the edition, billing unit and commitment. A per-seat subscription and a team bundle cover different purchases.
Microsoft Security
BEFORE THE SALES CALL
Editions & pricing
Source-backed pricing for the scope shown. Confirm the final quote, taxes and terms with the vendor.
Microsoft Defender for Business · Cloud service
Defender for Business standalone
US$3 per user / month, paid yearly
US annual subscription, auto-renewing, excluding tax. Up to 300 users and five devices per user. Servers need a separate add-on. This is not the price of Microsoft 365 Business Premium.
Splunk
Pricing has not been documented in this catalog. Check the profile or ask the vendor →
Explore more comparisons Companies with shared capabilities
Microsoft Security · company intelligence
- Ownership
- publicMicrosoft Corporation, consolidated group As of 2025-06-30; checked 2026-09-19.Source ↗
- Parent / sponsor
- Not researched
- Reported revenue
- USD 281,724,000,000 · FY ended 2025-06-30 · Microsoft Corporation consolidated (reported)Entire group revenue, NOT cybersecurity revenue. As of 2025-06-30; checked 2026-09-19.Source ↗
- Commercial model
- public priceDefender for Business, US annual subscription. Other products have different terms. As of 2026-09-19; checked 2026-09-19.Source ↗
Splunk · company intelligence
- Ownership
- Not researched
- Parent / sponsor
- Not researched
- Reported revenue
- Not researched
- Commercial model
- Not researched