List of Companies Using Microsoft Defender

Prospecting companies using Microsoft Defender? Here they are, biggest first, including Data Glove Inc. - Part of Persistent Systems, Enlighten Operational Excellence and FIS (Previously Torstone Technology). Open a company to see its revenue range, headcount, tech stack and the people to contact.

Company NameIndustryLocationFundingRevenueEmployees
$10M - $25M
64

$50M - $100M
64

$500M - $1B
64

$25M - $50M
64

Costa Rica
$10M - $25M
64

$10M - $25M
64

$10M - $25M
64

$10M - $25M
64

$25M - $50M
64

$100M - $250M
64

$50M - $100M
64

$10M - $25M
64

$10M - $25M
64

$25M - $50M
64

$50M - $100M
64

$50M - $100M
64

$25M - $50M
64

$1M - $10M
63

$2.4M
$25M - $50M
63

$1M - $10M
63

$594M
$1M - $10M
63

$1M - $10M
63

$25M - $50M
63

$1M - $10M
63

$10M - $25M
63

$50M - $100M
63

$25M - $50M
63

$14M
$250M - $500M
63

$1M - $10M
63

$7.6M
<$1M
63

$50M - $100M
63

$10M - $25M
63

$10M - $25M
63

$100M - $250M
63

$10M - $25M
63

$10M - $25M
62

<$1M
62

$100M - $250M
62

$10M - $25M
62

$10M - $25M
62

$10M - $25M
62

$100M - $250M
62

$10M - $25M
62

$1M - $10M
62

$10M - $25M
62

$10M - $25M
62

$25M - $50M
62

$25M - $50M
62

$25M - $50M
62

$50M - $100M
62

$25M - $50M
62

$50M - $100M
61

Luxembourg, Luxembourg, Luxembourg
$100M - $250M
61

$25M - $50M
61

$1M - $10M
61

$5.4M
$100M - $250M
61

$250M - $500M
61

<$1M
61

$100M - $250M
61

$25M - $50M
61

$700K
$1B - $10B
61

$250M - $500M
61

$50M - $100M
61

Chile, Santiago Metropolitan, Santiago
$250M - $500M
61

$25M - $50M
61

$10M - $25M
61

$17M
$25M - $50M
61

$25M - $50M
61

$25M - $50M
61

$1M - $10M
61

$100M - $250M
61

$1M - $10M
61

$19M
$10M - $25M
61

$25M - $50M
61

$1M - $10M
61

$10M - $25M
61

$25M - $50M
61

$315M
$25M - $50M
60

$1.9M
$50M - $100M
60

$100M - $250M
60

$9.9M
$1M - $10M
60

$40M
$50M - $100M
60

$25M - $50M
60

$50M - $100M
60

$1M - $10M
60

$1M - $10M
60

$25M - $50M
60

$25M - $50M
60

$25M - $50M
60

$1M - $10M
60

$10M
$10M - $25M
60

$123M
$10M - $25M
60

$15M
$50M - $100M
60

$50M - $100M
60

$10M - $25M
60

$100M - $250M
60

$6.2M
$50M - $100M
60

$1M - $10M
60

$1M - $10M
60

$10M - $25M
60

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 Data Glove Inc. - Part of Persistent Systems, Enlighten Operational Excellence and FIS (Previously Torstone Technology).

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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