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Microsoft 365 Defender

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Microsoft 365 Defender is an enterprise defense suite with threat protection and detection capabilities designed to identify and stop attacks across M...Read more

Unified Threat Management
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Market Share of Microsoft 365 Defender

Current Customer(s)

733

Market Share (Est.)

2.48%

Ranking

#4

Top Competitors and Alternatives of Microsoft 365 Defender

The top three of Microsoft 365 Defender’s competitors in the Unified Threat Management category are Proofpoint Insider Threat Management with 79.56%, FortiGate Cloud with 4.35%, Fortinet FortiAnalyzer with 2.65% market share.

TechnologyDomainsMarket Share (Est.)Versus page
Proofpoint Insider Threat Management2352479.56%Microsoft 365 Defender vs Proofpoint Insider Threat Management
FortiGate Cloud12874.35%Microsoft 365 Defender vs FortiGate Cloud
Fortinet FortiAnalyzer7852.65%Microsoft 365 Defender vs Fortinet FortiAnalyzer
Kerio7212.44%Microsoft 365 Defender vs Kerio
IBM QRadar SIEM6722.27%Microsoft 365 Defender vs IBM QRadar SIEM
Sophos Unified Threat Management4631.57%Microsoft 365 Defender vs Sophos Unified Threat Management
InsightVM2860.97%Microsoft 365 Defender vs InsightVM
Vyatta2550.86%Microsoft 365 Defender vs Vyatta
IBM Security MaaS3602540.86%Microsoft 365 Defender vs IBM Security MaaS360
Symantec Advanced Threat Protection1240.42%Microsoft 365 Defender vs Symantec Advanced Threat Protection
AlienVault Unified Security Management790.27%Microsoft 365 Defender vs AlienVault Unified Security Management
Cisco Tetration710.24%Microsoft 365 Defender vs Cisco Tetration
Cisco TrustSec690.23%Microsoft 365 Defender vs Cisco TrustSec
NopSec Unified VRM490.17%Microsoft 365 Defender vs NopSec Unified VRM
Damballa450.15%Microsoft 365 Defender vs Damballa
Cisco Threat Grid380.13%Microsoft 365 Defender vs Cisco Threat Grid
Cyware310.10%Microsoft 365 Defender vs Cyware
WatchGuard Unified Threat Management280.09%Microsoft 365 Defender vs WatchGuard Unified Threat Management
ThreatQuotient170.06%Microsoft 365 Defender vs ThreatQuotient
McAfee NitroSecurity130.04%Microsoft 365 Defender vs McAfee NitroSecurity
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Popular Comparisons

Top Competitors and Alternatives of Microsoft 365 Defender

The top three of Microsoft 365 Defender’s competitors in the Unified Threat Management category are Proofpoint Insider Threat Management with 79.56%, FortiGate Cloud with 4.35%, Fortinet FortiAnalyzer with 2.65% market share.

Microsoft 365 Defender vs Proofpoint Insider Threat Management

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Microsoft 365 Defender vs FortiGate Cloud

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Microsoft 365 Defender vs Fortinet FortiAnalyzer

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Microsoft 365 Defender vs Kerio

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Microsoft 365 Defender vs IBM QRadar SIEM

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Microsoft 365 Defender vs Sophos Unified Threat Management

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Microsoft 365 Defender vs InsightVM

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Microsoft 365 Defender vs Vyatta

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Customers of Microsoft 365 Defender

Around the world in 2025, over 733 companies have started using Microsoft 365 Defender as Unified Threat Management tool.

CustomersEmployee RangeCityRegionCountrySocial Links
Cognizant10,000+TeaneckNew JerseyUnited States
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Standard Bank Group10,000+JohannesburgGautengSouth Africa
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City Of Ottawa10,000+OttawaOntarioCanada
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CenterPoint Energy10,000+HoustonTexasUnited States
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Prince William County Public Schools10,000+ManassasVirginiaUnited States
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Sulzer10,000+WinterthurZurichSwitzerland
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Virtusa10,000+SouthboroughMassachusettsUnited States
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Wipro10,000+BengaluruKarnatakaIndia
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IBM10,000+ArmonkNew YorkUnited States
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Lendlease10,000+SydneyNew South WalesAustralia
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Microsoft 365 Defender Customers by Products and Services

The top three products and services offering customers that use Microsoft 365 Defender for Unified Threat Management are Cybersecurity (43), Managed Services (42), Cloud Services (36).

Customers

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Microsoft 365 Defender Customers by Employee Size

The majority of Microsoft 365 Defender's customers for the unified-threat-management category fall in the company size of 1,000 - 4,999 employees (143 companies), 10,000+ employees (135 companies), 100 - 249 employees (115 companies).

Employee Size

Microsoft 365 Defender Customers by Geography

The top three geographies of Microsoft 365 Defender for unified-threat-management are the United States with 306(53.03%), United Kingdom with 79(13.69%), Canada with 45(7.80%) customers respectively.

Customers

Employees of Microsoft 365 Defender

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Also see other Products/Services by Microsoft 365 Defender in:

Unified Threat Management

FAQ

Find answers to the most often asked questions by users.

Who are the top Microsoft 365 Defender competitors?

Microsoft 365 Defender’s Top competitors in the unified-threat-management category are Proofpoint Insider Threat Management, FortiGate Cloud, Fortinet FortiAnalyzer. You can view a full list of Microsoft 365 Defender competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Microsoft 365 Defender and 40,000 other technologies on the internet. You can also compare Microsoft 365 Defender and its feature with top competitors here : Microsoft 365 Defender vs Proofpoint Insider Threat Management Microsoft 365 Defender vs FortiGate Cloud Microsoft 365 Defender vs Fortinet FortiAnalyzer.

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What is Microsoft 365 Defender customer distribution based on company size?

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What is Microsoft 365 Defender market share in the unified-threat-management?

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What are the top countries that use Microsoft 365 Defender?

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What are the top industries that use Microsoft 365 Defender?

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