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Companies using Security Onion by Security Onion Solutions in 2025
As of 2025, 135 verified companies use Security Onion – across industries, company sizes, and geographies. This is real, verified data. Whether you’re looking to analyze the market, build a target list, or get a sales edge – this is your starting point.
What is Security Onion by Security Onion Solutions?
Security Onion by Security Onion Solutions is a free and open platform for threat hunting, enterprise security monitoring, and log management. It’s used to streamline operations in areas like network security, threat detection, and incident response in cybersecurity departments and security operations centers across various industries.
Last updated date
August 17, 2025
Number of Companies using
135
The majority are based in the
United States
Most common industry?
Business Services
Security Onion’s sample user list in 2025
Company Name
Country
Industry
Employees
Revenue
Product
We have data on 135 companies that use Security Onion. Our Security Onion customers list is available for download and comes enriched with vital company specifics, including industry classification, organizational size, geographical location, funding rounds, and revenue figures, among others.
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Security Onion users and customers by country
United States
United Kingdom
2.6K Companies
Germany
2.6K Companies
India
2.6K Companies
Australia
2.6K Companies
Where Security Onion Shows Up Most
Security Onion is used across a wide range of sectors:
Business Services
Education
Custom Software & IT Services
Colleges & Universities
Software
From lean startups to global enterprises, Security Onion’s footprint is wide, and that means opportunity.
Tech Stack Database
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FAQs
Contact UsHow latest this data is?
This data is updated on August 17, 2025
What is Security Onion?
Security Onion is a free and open-source platform for threat hunting, enterprise security monitoring, and log management.
What industries use Security Onion?
Security Onion is used across various industries, including Business Services, Education, Custom Software & IT Services, Colleges & Universities, and Software.
How many companies are using Security Onion in 2025?
As of 2025, there are 135 verified companies using Security Onion.
Where is Security Onion most commonly used?
Security Onion is most commonly used in the United States.
What are the primary uses of Security Onion?
Security Onion is used for network security, threat detection, and incident response.