Castle
Castle analyzes user behavior to stop hackers
Market Share of Castle
Current Customer(s)
54
Market Share (Est.)
0.01%
Ranking
#48
Top Competitors and Alternatives of Castle
The top three of Castle’s competitors in the Web And Mobile Application Security category are reCAPTCHA Enterprise with 58.51%, WordFence with 27.52%, Imperva with 4.14% market share.
Popular Comparisons
Top Competitors and Alternatives of Castle
The top three of Castle’s competitors in the Web And Mobile Application Security category are reCAPTCHA Enterprise with 58.51%, WordFence with 27.52%, Imperva with 4.14% market share.
Castle vs reCAPTCHA Enterprise
Castle vs WordFence
Castle vs Imperva
Castle vs SAP Afaria
Castle vs Mimecast Web Security
Castle vs Tenable.io
Castle vs Cisco IronPort
Castle vs Cisco Next-Generation Firewalls (NGFWs)
Customers of Castle
Around the world in 2026, over 54 companies have started using Castle as Web And Mobile Application Security tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Infosys Ltd | 10,000+ | Bengaluru | Karnataka | India |     |
| Hewlett Packard Enterprise | 10,000+ | Houston | Texas | United States | |
| Samsung | 10,000+ | Suwon | Gyeonggi-do | Korea | |
| Tata Consultancy Services | 10,000+ | Mumbai | Maharashtra | India | |
| Oracle Corporation | 10,000+ | Austin | Texas | United States | |
| Takeda | 10,000+ | Tokyo | Tokyo | Japan | |
| GoTo | 10,000+ | Pasadena | California | United States | |
| McAfee | 10,000+ | San Jose | California | United States | |
| Serpro | 10,000+ | Brasilia | Federal District | Brazil | |
| Atlassian | 10,000+ | Sydney | New South Wales | Australia | |
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Castle Customers by Products and Services
The top three products and services offering customers that use Castle for Web And Mobile Application Security are Digital Transformation (3), Technology (3), Payments (3).
Customers
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Castle Customers by Employee Size
The majority of Castle's customers for the web-and-mobile-application-security category fall in the company size of 10,000+ employees (13 companies), 1,000 - 4,999 employees (8 companies), 20 - 49 employees (7 companies).
Employee Size
Castle Customers by Geography
The top three geographies of Castle for web-and-mobile-application-security are the United States with 31(60.78%), India with 5(9.80%), Australia with 4(7.84%) customers respectively.
Customers
Employees of Castle
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FAQ
Find answers to the most often asked questions by users.
Who are the top Castle competitors?
Castle’s Top competitors in the web-and-mobile-application-security category are reCAPTCHA Enterprise, WordFence, Imperva. You can view a full list of Castle competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Castle and 40,000 other technologies on the internet. You can also compare Castle and its feature with top competitors here : Castle vs reCAPTCHA Enterprise Castle vs WordFence Castle vs Imperva.
What is Castle customer distribution based on company size?
What is Castle market share in the web-and-mobile-application-security?
What are the top countries that use Castle?
What are the top industries that use Castle?
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