Companies using ModSecurity by Trustwave Holdings, Inc in 2025
As of 2025, 156 verified companies use ModSecurity – 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 ModSecurity by Trustwave Holdings, Inc?
ModSecurity by Trustwave, is an open-source, cross-platform web application firewall (WAF) engine. It is designed to be embedded into web servers to provide real-time application security monitoring, logging, and access control. It is commonly used by security departments within Technology, E-commerce, and Financial Services industries.
Last updated date
Number of Companies using
156
The majority are based in the
United States
Most common industry?
Business Services
ModSecurity’s sample user list in 2025
We have data on 156 companies that use ModSecurity. Our ModSecurity 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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ModSecurity users and customers by country
2.6K Companies
2.6K Companies
2.6K Companies
2.6K Companies
Where ModSecurity Shows Up Most
ModSecurity is used across a wide range of sectors:
Business Services
Manufacturing
Software
Custom Software & IT Services
Finance
From lean startups to global enterprises, ModSecurity’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 ModSecurity?
ModSecurity is an open-source, cross-platform web application firewall (WAF) engine designed to be embedded into web servers. It provides real-time application security monitoring, logging, and access control.
How many companies are using ModSecurity in 2025?
As of 2025, there are 156 verified companies using ModSecurity.
What industries commonly use ModSecurity?
ModSecurity is commonly used by security departments within the Technology, E-commerce, and Financial Services industries.
Which country has the highest number of companies using ModSecurity?
The United States has the highest number of companies using ModSecurity.
What are the top 5 industries using ModSecurity?
The top 5 industries using ModSecurity are Business Services, Manufacturing, Software, Custom Software & IT Services, and Finance.