List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including Iowa State University Memorial Union, Kentech Technical Services Llc and Kerberos Compliance. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
54
$50M - $100M
54
$10M - $25M
54
$25M - $50M
54
$10M - $25M
54
$50M - $100M
54
$25M - $50M
54
<$1M
54
$50M - $100M
54
$10M - $25M
54
$1M - $10M
54
$10M - $25M
54
$50M - $100M
54
$5M
$25M - $50M
53
$10M - $25M
53
$250M - $500M
53
$25M - $50M
53
$1M - $10M
53
$50M - $100M
53
<$1M
53
$1M - $10M
53
$25M - $50M
53
$1M - $10M
53
$25M - $50M
53
$100M - $250M
53
$25M - $50M
53
$1B+
53
$50M - $100M
53
$23M
$100M - $250M
53
$100M - $250M
53
$10M - $25M
53
$10M - $25M
53
$10M - $25M
53
$25M - $50M
53
$1M - $10M
53
<$1M
53
$25M - $50M
53
$100M - $250M
53
$1B - $10B
53
$10M - $25M
53
$10M - $25M
52
$1M - $10M
52
$50M - $100M
52
$10M - $25M
52
$25M - $50M
52
$50M - $100M
52
$1M - $10M
52
$50M - $100M
52
$25M
$25M - $50M
52
$100M - $250M
52
$27M
$50M - $100M
52
$25M - $50M
52
$100M - $250M
52
$50M - $100M
52
$25M - $50M
52
$10M - $25M
52
$1M - $10M
52
$1M - $10M
52
$25M - $50M
51
<$1M
51
<$1M
51
<$1M
51
$1M - $10M
51
<$1M
51
$1M - $10M
51
$1M - $10M
51
$100M - $250M
51
$1M - $10M
51
$10M - $25M
51
$50M - $100M
51
$1M - $10M
51
<$1M
51
$10M - $25M
51
$10M - $25M
51
$25M - $50M
51
$500M - $1B
51
$25M - $50M
51
$1M - $10M
51
$50M - $100M
51
$10M - $25M
51
$10M - $25M
51
$50M - $100M
51
<$1M
51
<$1M
51
$250M - $500M
51
$191M
$25M - $50M
51
$1M - $10M
51
<$1M
51
$1M - $10M
51
<$1M
51
$1M - $10M
51
<$1M
51
$1M - $10M
51
$1M - $10M
51
$1M - $10M
51
$10M - $25M
51
$1M - $10M
51
$10M - $25M
51
$1M - $10M
51
$50M - $100M
51
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 Iowa State University Memorial Union, Kentech Technical Services Llc and Kerberos Compliance.
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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