Data Theorem

Computer and Network SecurityCalifornia, United States51-200 Employees

Data Theorem operates in security for modern applications, offering testing and protection across cloud-native, web, mobile, and API-driven software. The company combines asset discovery, security testing, and runtime protection to help prevent application security breaches. Its coverage spans APIs, mobile apps, web apps, and cloud-native workloads, including serverless functions.

Headquartered in Palo Alto, California, the firm operates as a mid-sized company and maintains offices in New York, Chicago, Boston, Paris, and London to serve a global customer base. In 2025, a Gartner Critical Capabilities report ranked Data Theorem first for both Cloud-Native Use Case and API security capabilities, reflecting its position in the application security landscape.

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