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Who is OnSecurity?
OnSecurity is a private cybersecurity company that provides offensive security services and continuous security testing for web applications, cloud environments, APIs, networks, and enterprise systems.
- Penetration testing for applications, infrastructure, cloud, and external attack surfaces
- Crest-style or consultancy-led offensive security assessments and red team engagements
- Continuous security testing workflows that support recurring validation rather than one-time audits
- Manual testing combined with vulnerability reporting, remediation guidance, and retesting
- Security support for compliance, assurance, and risk review programs in enterprise environments
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More About OnSecurity
OnSecurity operates as a private company focused on cybersecurity testing services rather than packaged enterprise security software. In enterprise environments, its work is typically used by security teams, application owners, cloud teams, and compliance stakeholders that need independent validation of exposed systems and internal controls. The company is associated most directly with offensive security, penetration testing, and vulnerability assessment programs, including testing of web applications, APIs, cloud configurations, network perimeters, and supporting infrastructure.
Its service model fits into enterprise security programs where organizations need human-led testing alongside automated scanning. That places it closer to specialist penetration testing and offensive security providers than to product categories such as SIEM, EDR, firewall platforms, or CNAPP tools. In practice, these engagements often examine authentication flows, authorization controls, session management, input handling, business logic, common web vulnerabilities, exposed services, and cloud misconfigurations. The underlying technical domains commonly include HTTP and HTTPS applications, REST APIs, identity and access controls, public cloud environments, external network footprints, and standard enterprise infrastructure.
For enterprise buyers, this type of service is often used to validate remediation work, prepare for audits, support software release cycles, and provide assurance to customers or regulators. It can also supplement internal application security and red team functions when organizations need independent testing capacity or specialist depth on a particular environment. Compared with automated vulnerability management platforms, the emphasis is generally on manual verification, exploitation paths, contextual analysis, and actionable remediation feedback.
Within the enterprise technology landscape, OnSecurity fits in the cybersecurity market, specifically the area of offensive security: pentesting, bug bounty, and breach and attack simulation adjacent services, with its most clearly documented activity centered on penetration testing and related assessment services. Its directory positioning is therefore that of a private company serving enterprise security and risk teams through consulting-led offensive security engagements and recurring testing programs, rather than through a broad software platform portfolio.
Our description of OnSecurity. Updated September 2026.
