List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including Hub International Northeast Limited, Huntington Bancshares and IBM Romania. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
<$1M
201
$500M - $1B
201
$1M - $10M
201
$10M - $25M
201
$10M - $25M
201
$25M - $50M
201
<$1M
201
$1M - $10M
201
<$1M
201
$1M - $10M
201
$10M - $25M
201
<$1M
201
$1M - $10M
201
$10M - $25M
201
<$1M
201
$100M - $250M
201
$10M - $25M
201
$73M
$1M - $10M
201
<$1M
201
$1M - $10M
201
$10M - $25M
201
$25M - $50M
201
$1M - $10M
201
$50M - $100M
201
$10M - $25M
201
$10M - $25M
201
$25M - $50M
201
$1M - $10M
201
<$1M
201
$1M - $10M
201
$100M - $250M
201
$10M - $25M
201
$250M - $500M
201
<$1M
201
<$1M
201
$500M - $1B
201
$250M - $500M
201
<$1M
201
$1M - $10M
201
$10M - $25M
201
$10M - $25M
201
$10M - $25M
201
$1M - $10M
201
$10M - $25M
201
<$1M
201
$1M - $10M
201
$1M - $10M
201
$10M - $25M
201
$1M - $10M
201
$100M - $250M
201
$10M
$25M - $50M
201
<$1M
201
$100M - $250M
201
$1M - $10M
201
$100M - $250M
201
$250M - $500M
201
$25M - $50M
201
<$1M
201
$1M - $10M
201
$1M - $10M
201
$67M
$25M - $50M
201
$10M - $25M
200
$900K
$1B - $10B
200
$10M - $25M
200
$100M - $250M
200
$100M - $250M
200
$250M - $500M
200
$25M - $50M
200
$50M - $100M
199
$10M - $25M
199
$1M - $10M
199
$250M - $500M
199
$100M - $250M
199
$25M - $50M
199
$10M - $25M
198
$100M - $250M
198
$10M - $25M
198
$100M - $250M
198
$100M - $250M
198
$25M - $50M
198
$70M
$10M - $25M
198
$25M - $50M
198
$1M - $10M
198
$500M - $1B
198
$500M - $1B
198
$1M - $10M
197
$100M - $250M
197
$25M - $50M
197
$1M - $10M
197
$1B - $10B
197
$40M
$25M - $50M
197
$400M
$250M - $500M
197
$100M - $250M
196
$46M
$10M - $25M
196
$50M - $100M
196
$500M - $1B
195
$250M - $500M
195
$25M - $50M
195
$10M - $25M
195
$1M - $10M
195
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 Hub International Northeast Limited, Huntington Bancshares and IBM Romania.
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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