Companies using OSSEC by Trend Micro Incorporated in 2025
As of 2025, 339 verified companies use OSSEC – 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 OSSEC by Trend Micro Incorporated?
OSSEC by Trend Micro is a scalable, open-source Host-based Intrusion Detection System (HIDS). It performs log analysis, file integrity monitoring, rootkit detection, and real-time alerting. It is used by cybersecurity teams and IT departments across various industries to detect and respond to security threats on their systems.
Last updated date
Number of Companies using
339
The majority are based in the
United States
Most common industry?
Software
OSSEC’s sample user list in 2025
We have data on 339 companies that use OSSEC. Our OSSEC 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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OSSEC users and customers by country
2.6K Companies
2.6K Companies
2.6K Companies
2.6K Companies
Where OSSEC Shows Up Most
OSSEC is used across a wide range of sectors:
Software
Business Services
Education
Colleges & Universities
Manufacturing
From lean startups to global enterprises, OSSEC’s footprint is wide, and that means opportunity.

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FAQs
Contact UsHow latest this data is?
This data is updated on August 17, 2025
What is OSSEC?
OSSEC by Trend Micro is a scalable, open-source Host-based Intrusion Detection System (HIDS). It performs log analysis, file integrity monitoring, rootkit detection, and real-time alerting.
How many companies are using OSSEC in 2025?
As of 2025, our data shows that 339 verified companies are using OSSEC.
What types of companies use OSSEC?
OSSEC is used across various industries, company sizes, and geographies.
What industries use OSSEC the most?
The software industry uses OSSEC more than other industries, followed by business services and education.
Which countries have the most companies using OSSEC?
The United States has the highest number of companies using OSSEC.