Web Application Penetration Testing

Web application penetration testing is a manual security assessment in which engineers attempt to exploit vulnerabilities in your web application the way an attacker would. It goes beyond automated scanning to find business logic flaws, broken access control, authentication weaknesses, and chained exploits that scanners can't reason about.

A vulnerability scan compares your application against a database of known issues. A penetration test exploits those issues, chains them together, and finds the ones that aren't in any database. Scanners are useful inputs to a pentest. They are not a substitute for one.

Customer-facing portals, internal applications, SaaS platforms, single-page and server-rendered apps, multi-tenant systems, complex role hierarchies, applications behind SSO, and applications that depend on third-party APIs. We have tested in nearly every framework on the market.

Grey box is the most common and usually the most useful. You provide test accounts at each role level, and we work from there. Black box is closer to a real external attack but slower. White box, with source code review, goes deepest and is most valuable for high-stakes or pre-launch applications.

We work with you to scope around production safety. Most engagements run against staging or pre-production environments that mirror production. When production testing is required, we coordinate timing, throttle our activity, and avoid destructive techniques unless explicitly authorized.

A detailed technical report with proof-of-concept evidence and remediation guidance, an executive summary suitable for board and audit use, real-time findings in the Raxis One portal during the engagement, and a remediation retest at no extra charge once your team has implemented fixes.

At minimum, annually and after any major release, framework upgrade, or change to authentication or authorization. For applications under continuous development, a once-a-year cadence leaves long windows of unvalidated change. Continuous testing through Raxis Attack closes that gap.

Yes. Multi-tenant testing is one of our specialties. We validate that customer A cannot see, modify, or impact customer B's data through any path, including direct object references, shared resources, indirect channels, and abuse of administrative interfaces.

Web application engagements cover the APIs your application directly depends on. For dedicated, comprehensive API testing across REST, GraphQL, SOAP, and gRPC interfaces, including ones not exposed through a web UI, see our API Penetration Testing service.

Most engagements run one to two weeks of active testing depending on the size of the application, the number of roles, and the complexity of its workflows. Critical findings reach you in real time through Raxis One, and the full report follows within days of testing completion.

Cost scales with the size and complexity of the application: the number of roles, workflows, and endpoints in scope is the biggest driver. Be wary of quotes that seem too low; they usually mean an automated scan with a pentest label. Contact us for a quote scoped to your application.

Senior US-based Raxis engineers holding certifications such as OSCP and OSWE. Your test is never outsourced, and the engineer who exploits your application is the same person who writes your report and walks you through it.

Yes. We regularly test applications behind SAML, OAuth, and OIDC single sign-on as well as multi-factor authentication. We coordinate test accounts and access during scoping, and the SSO and MFA flows themselves are part of what we attack.

AI features in scope are tested as part of the application, including prompt injection and data exposure through LLM integrations. For deep testing of AI systems themselves, see our AI and LLM Penetration Testing service.