List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including University Lands, Veni and Verizon Labs. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$100M - $250M
76
$100M - $250M
76
$25M - $50M
76
$12M
$25M - $50M
75
$25M - $50M
75
$1M - $10M
75
$100M - $250M
75
$25M - $50M
75
$50M - $100M
75
$100M - $250M
75
$25M - $50M
75
$1M - $10M
75
$1M - $10M
75
$1M - $10M
74
$1.3M
$50M - $100M
74
$100M - $250M
74
$25M - $50M
74
$44M
$50M - $100M
74
$10M - $25M
74
$10M - $25M
74
$50M - $100M
74
$25M - $50M
74
$50M - $100M
74
$50M - $100M
74
$50M - $100M
74
$1M - $10M
74
$10M - $25M
74
$50M - $100M
74
$62M
$50M - $100M
74
$250M - $500M
73
$50M - $100M
73
$50M - $100M
73
$25M - $50M
73
$78M
$100M - $250M
73
$10M - $25M
73
$1M - $10M
73
$100M - $250M
73
$1M - $10M
73
$5M
$10M - $25M
73
$25M - $50M
73
$10M - $25M
73
$25M - $50M
73
$10M - $25M
73
$25M - $50M
73
$50M - $100M
73
$10M - $25M
73
$50M - $100M
73
$25M - $50M
73
$50M - $100M
73
$10M - $25M
73
$2.1B
$25M - $50M
73
$25M - $50M
72
$10M - $25M
72
$10M - $25M
72
$1M - $10M
72
$10M - $25M
72
$250M - $500M
72
$415M
$50M - $100M
72
$50M - $100M
72
$25M - $50M
72
$10M - $25M
72
$50M - $100M
72
$50M - $100M
72
$1M - $10M
72
$1M - $10M
72
<$1M
72
$25M - $50M
72
$50M - $100M
71
$6.6M
<$1M
71
$1M - $10M
71
$10M - $25M
71
$34M
$25M - $50M
71
$25M - $50M
71
$10M - $25M
71
$100M - $250M
71
$100M - $250M
71
$1M - $10M
71
<$1M
71
$10M - $25M
71
$10M - $25M
71
$63M
$25M - $50M
71
$1M - $10M
71
$50M - $100M
71
$10M - $25M
71
$73M
$50M - $100M
70
$100M - $250M
70
$25M - $50M
70
$50M - $100M
70
$1M - $10M
70
$10M - $25M
70
$10M - $25M
70
$25M - $50M
70
$25M - $50M
70
$1M - $10M
70
$100M - $250M
70
$25M - $50M
70
$50M - $100M
70
$10M - $25M
70
$50M - $100M
70
$50M - $100M
70
About companies using Microsoft Defender
Why target companies using Microsoft Defender?
Microsoft Defender is a Security, identity & compliance technology. Companies running these tools already spend on identity, endpoint, email and consent security, which makes them mature buyers in the category. Companies on the list include University Lands, Veni and Verizon Labs.
Which industries use Microsoft Defender the most?
Among companies using Microsoft Defender on LeadIQ, the most common industries are IT Services and IT Consulting, Software Development, Financial Services, Insurance, Higher Education and Hospitals and Health Care. Narrow your list to the industry you sell into from there.
Where are companies using Microsoft Defender located?
Companies using Microsoft Defender are most often headquartered in the United States, the United Kingdom, Canada, Germany, Australia and France.
What other Security, identity & compliance technologies do companies use?
Prospecting the wider Security, identity & compliance space? Related technologies with their own company lists include Microsoft Active Directory, Cisco, Microsoft Entra ID and CookieYes.
How do I reach decision makers at companies using Microsoft Defender?
Open a company to see its employee directory and email format, then use LeadIQ to get verified work emails and phone numbers for the people you want to reach and push them straight to your CRM or sequencer.
Insights based on LeadIQ data refreshed in September 2026.
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