Product security testing case studies

Examples of scoped, non-disruptive testing across apps, APIs, cloud, and AI integrations. Each study highlights what was tested, what was found, and how teams resolved issues.

Clear scope, careful execution, and defensible reporting in every engagement.

Reinforced confidence in real-world engagements

Each engagement below shows how scoped testing and clear reporting helped teams make defensible decisions without surprises.

Fintech payment platform

Pre-launch validation of payment flows and tenant separation in a regulated environment.

The context

The security team needed independent assurance on payment processing logic, permissions, and data segregation before go-live.

Our focus

Manual testing of transaction paths, privilege boundaries, and audit controls within a fixed scope.

What we found

  • • Race conditions in payment processing workflows
  • • Tenant boundary weaknesses in admin tooling
  • • JWT validation gaps affecting role separation

Outcome

Issues were resolved before launch, and the team had clear remediation evidence for internal review.

E-commerce SaaS platform

Tenant isolation and API access control review after rapid growth.

The context

The platform needed clarity on cross-tenant exposure risk and API authorization rules ahead of a compliance audit.

Our focus

Deep testing of tenant boundaries, API permissions, and data segregation mechanisms.

What we found

  • • IDOR paths exposing order data across tenants
  • • GraphQL schema visibility that broadened attack surface
  • • Cloud storage policy gaps for customer uploads

Outcome

Access controls were tightened, and the team had a clearer path for audit preparation.

B2B SaaS analytics product

Risk review of multi-tenant workflows and privileged admin actions.

The context

The team wanted a clear, defensible view of tenant isolation before expanding enterprise adoption.

Our focus

Manual testing of authorization paths, business logic, and sensitive data handling across tenants.

What we found

  • • Privilege escalation paths in admin workflows
  • • Weaknesses in cross-tenant data filters
  • • Rate limiting gaps on authentication flows

Outcome

Remediations were prioritized with clear evidence, helping the team document risk reduction for stakeholders.

Talk through a scoped test. No commitment required.

Share your goals and timeline. We will explain what we would test, answer questions, and provide a fixed quote if you want one.

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Fixed scope and pricing
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