Leading bug bounty and PTaaS platform connecting organizations with vetted global security researchers for application vulnerability testing.
HackerOne is a global leader in Continuous Threat Exposure Management (CTEM), utilizing AI and a community of security researchers to identify and remediate vulnerabilities across code, cloud, and AI systems. They offer a range of solutions including bug bounty, vulnerability disclosure, pentesting, and AI red teaming to help enterprises reduce cyber risk and safeguard their digital ecosystems.
Our take on HackerOne
HackerOne is a well-established player in the application security testing space, headquartered in San Francisco, CA. Founded in 2012, the company has built a large, well-resourced organization that serves a diverse range of clients across multiple industries including financial services, healthcare, technology, and government sectors.
Their core service offerings span Bug Bounty, PTaaS, Vulnerability Disclosure, Crowdsourced Security, among other specialized capabilities. HackerOne 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 HackerOne 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, HackerOne 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, HackerOne 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 San Francisco 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 HackerOne
Verified
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 2012. Over 10 years of experience.
Large Team
Large (201-500)
Rankings earned on AgencyCluster
Common questions about HackerOne.
HackerOne has earned rankings on 4 AgencyCluster lists: Top 25 Application Security Testing in California, Top 10 Application Security Testing in California, Top 50 Application Security Testing, Top 25 Application Security Testing. Their highest AgencyCluster Score is 94/100. 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, HackerOne scores 94/100 overall. Their strongest areas are Credibility, Proof of Work & Outcomes, Reputation, Freshness, 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.
HackerOne was founded in 2012, giving them over a decade of experience in application security testing. In an industry where many agencies are less than 5 years old, 14+ years of sustained operations signals stability, client retention, and the ability to adapt through multiple technology cycles. Today, the team is large team.
Yes. HackerOne 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 HackerOne, verified signals include a functioning website, LinkedIn company profile, 14+ years of operating history (founded 2012), 4 earned rankings on curated top lists.
