Continuous API security testing and runtime protection platform specializing in mobile, web, and cloud application security analysis.
Data Theorem is a leading provider of modern application security, preventing AppSec data breaches through its suite of security products. It offers SAST, DAST, and RASP solutions for API, Web, Mobile, and Cloud Security, providing inventory, security testing, and active protection for various applications and cloud services. Headquartered in Palo Alto, CA, Data Theorem aims to analyze and secure modern applications anytime, anywhere.
Our take on Data Theorem
Data Theorem is a well-established player in the application security testing space, headquartered in Palo Alto, CA. Founded in 2013, the company has built a small but capable team of specialists that serves a diverse range of clients across multiple industries including financial services, healthcare, technology, and government sectors.
Their core service offerings span API Security, Mobile Security, Cloud Security, Runtime Protection, among other specialized capabilities. Data Theorem has positioned itself as a reliable partner for organizations seeking to identify and remediate vulnerabilities in their software applications before they can be exploited by malicious actors. The company's approach emphasizes both automated scanning technologies and expert-driven assessment methodologies.
One of the notable strengths of Data Theorem is its commitment to staying current with evolving threat landscapes and emerging attack vectors. Their security professionals bring deep technical expertise and industry certifications that add credibility to their assessments. Clients frequently cite the quality of reporting and actionable remediation guidance as key differentiators.
From a service delivery standpoint, Data Theorem demonstrates professionalism in project management, clear communication throughout engagements, and thorough documentation of findings. Their solutions are designed to integrate into modern development workflows, supporting organizations in their shift-left security initiatives and DevSecOps transformations.
For organizations evaluating application security testing providers, Data Theorem represents a solid option worth considering. Their combination of technical capabilities, industry experience, and commitment to client success makes them a competitive choice in the Palo Alto market and beyond. Prospective clients should evaluate specific service offerings against their unique requirements to ensure the best fit for their security program needs.
Verified credentials and recognition earned by Data Theorem
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This agency has a verified website presence.
LinkedIn Verified
This agency has a verified LinkedIn company page.
Top Rated
This agency has an exceptional AgencyCluster score of 80+.
10+ Years
Established in 2013. Over 10 years of experience.
Mid-Size
Medium (51-200)
Rankings earned on AgencyCluster
Common questions about Data Theorem.
Data Theorem has earned rankings on 2 AgencyCluster lists: Top 25 Application Security Testing in California, Top 50 Application Security Testing. Their highest AgencyCluster Score is 82/100. Rankings are merit-based and determined by evidence across six evaluation pillars — agencies cannot pay for higher positions.
In our evaluation for Application Security Testing, Data Theorem scores 82/100 overall. Their strongest areas are Freshness, Credibility, Proof of Work & Outcomes, Reputation, Category Fit, Delivery Maturity. A high Outcomes score means they have verifiable case studies with measurable results — the most heavily weighted factor in our methodology.
Data Theorem was founded in 2013, giving them over a decade of experience in application security testing. In an industry where many agencies are less than 5 years old, 13+ years of sustained operations signals stability, client retention, and the ability to adapt through multiple technology cycles. Today, the team is mid-size.
Yes. Data Theorem has been vetted and verified by AgencyCluster's editorial team through a rigorous, multi-factor review process. Unlike self-serve directories, AgencyCluster does not accept automated submissions — every agency is evaluated manually before being published. Our vetting covers identity verification (website, LinkedIn, domain age), business legitimacy (years of operation, team size, registered presence), evidence of work (case studies, portfolio, client outcomes), reputation checks across third-party platforms, activeness and freshness of their online presence, and screening for red flags including misconduct, fraud, or misleading claims. Agencies that fail any critical check are not listed. For Data Theorem, verified signals include a functioning website, LinkedIn company profile, 13+ years of operating history (founded 2013), 2 earned rankings on curated top lists.
