List of Companies Using Microsoft Defender
Prospecting companies using Microsoft Defender? Here they are, biggest first, including Centris AG, Cornerstone Family Healthcare and FEDITC. Open a company to see its revenue range, headcount, tech stack and the people to contact.
Company NameIndustryLocationFundingRevenueEmployees
$1M - $10M
289
$100M - $250M
289
$100M - $250M
289
$50M - $100M
289
$25M - $50M
289
$188M
$25M - $50M
289
$250M - $500M
289
$323K
$50M - $100M
289
$1B - $10B
288
$250M - $500M
288
$100M - $250M
288
$100M - $250M
288
$100M - $250M
288
$10M - $25M
288
$25M - $50M
288
$10M - $25M
287
$10M - $25M
287
$10M - $25M
287
$100M - $250M
287
$505M
$50M - $100M
287
$50M - $100M
287
$100M - $250M
286
$250M - $500M
286
$100M - $250M
286
$50M - $100M
286
$100M - $250M
286
$1M - $10M
286
$1B - $10B
286
$500M - $1B
285
$50M - $100M
285
$330M
$25M - $50M
284
$50M - $100M
284
$1B - $10B
284
$50M - $100M
284
$50M - $100M
284
$25M - $50M
284
$250M - $500M
283
$50M - $100M
283
$50M - $100M
283
$25M - $50M
283
$50M
$50M - $100M
283
$1.2B
$50M - $100M
283
$26M
$25M - $50M
283
$50M - $100M
282
$25M - $50M
282
$1M - $10M
282
$100M - $250M
282
$10M - $25M
282
$50M - $100M
282
$10M - $25M
282
$1M - $10M
282
$1B - $10B
281
$250M - $500M
281
$700M
$100M - $250M
281
$5.2M
$250M - $500M
281
$100M - $250M
281
$100M - $250M
281
$50M - $100M
281
$250M - $500M
281
$1B - $10B
281
$250M - $500M
281
$50M - $100M
280
$27M
$50M - $100M
280
$25M - $50M
280
$1M - $10M
280
$10M - $25M
279
$10M - $25M
279
$100M - $250M
279
$1B - $10B
279
$25M - $50M
278
$10B+
278
$100M - $250M
278
$62M
$10M - $25M
278
$13M
$100M - $250M
278
$25M - $50M
278
$65M
$50M - $100M
278
$1M - $10M
278
$250M - $500M
277
$10M - $25M
277
$10M - $25M
277
$10M - $25M
277
$1B - $10B
276
$50M - $100M
276
$1M - $10M
276
$500M - $1B
276
$3.4M
$25M - $50M
276
$50M - $100M
275
$1B - $10B
275
$48M
$50M - $100M
275
$13M
$100M - $250M
275
$25M - $50M
275
$10M - $25M
274
$50M - $100M
274
$250M - $500M
274
$250M - $500M
274
$1B - $10B
274
$10M - $25M
273
$25M - $50M
273
$1M - $10M
273
$50M - $100M
273
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 Centris AG, Cornerstone Family Healthcare and FEDITC.
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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