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Security & Engineering · Kiel & Remote

API security testing for REST, GraphQL and backend APIs

Security testing for APIs focusing on authentication, authorization, data access, business logic and abuse scenarios.

Clear scopePrioritized resultsActionable deliverables
Clear scopeBoundaries and access agreed
Actionable resultsPrioritized and reproducible
Clean handoverDocumentation for the team
api-security-testing
API Security · REST, GraphQL & BackendREST · GraphQL · Authorization

Best suited for

SaaS, mobile backends, microservices and integration platforms

Typical starting pointscope-based

What your team receives

  • API-specific findings
  • Reproducible requests and evidence
  • Prioritized remediation guidance
  • Technical report and readout
From clear scope to actionable outcome

From clear scope to actionable outcome

The engagement is structured to give your team clear decisions, reproducible evidence and practical next steps — without unnecessary complexity.

01
Confirm scopeDefine systems, roles, boundaries and communication.
02
Test or buildWork systematically with visible progress and clear evidence.
03
Deliver resultsPrioritize outcomes and hand over concrete next steps.

Typical assessment / delivery areas

The exact scope is confirmed before project start so depth, boundaries, access and expectations remain transparent.

01

Authentication & token handling

Prioritized and documented according to your scope.

02

Object- and function-level authorization

Prioritized and documented according to your scope.

03

Business logic & abuse cases

Prioritized and documented according to your scope.

04

Rate limits, data exposure and API flows

Prioritized and documented according to your scope.

Frequently asked questions

How is the scope defined?

Scope, systems, access, boundaries and expectations are agreed before project start.

Can the service be combined with other modules?

Yes. Related security, engineering or training modules can be combined when it supports the project goal.

What do we receive at the end?

You receive clear, usable deliverables such as prioritized findings, technical documentation or implementation results depending on the service.

Do you work remotely?

Yes. Remote delivery is available, with on-site work by arrangement when appropriate.

Related services

Clarify the scope and define the next step.

Tell us briefly what you want to secure or build. We will respond with a concrete scope proposal and next steps.

Discuss your project →