API trust. Payment integrity. Evidence.Atlant Security
Fintech/PentestBY ATLANT SECURITY

WORKING RESOURCE / SCOPE & PROCUREMENT

Build a fintech pentest scoping brief

Start with the product workflow, tenant boundaries and identities the assessment needs to exercise. Capture how a test transaction can be observed without moving real customer funds.

Define the objective.
Set the boundaries.
Leave with a working brief.

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Keep it high level. Use high-level product descriptions here. Never include API keys, webhook secrets, production tokens or customer payment data.

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01 The decision you need

Record which version and environment represent the release. A sandbox with different permissions can leave production-specific questions unanswered.

02 The assessment boundary

Choose the areas you want to discuss. Final coverage is agreed during scoping.

For example: partner sandbox only, no live funds, scheduled release freeze or limited access to provider webhooks.

03 Timing and permissions

WHAT TO INCLUDE / Fintech penetration testing

Scope choices that change the test.

Assessment areaWhat to describeWhat useful evidence answers
API and tenant boundariesIdentify API families, tenants, object ownership and roles.Cross-tenant negative tests paired with valid operations that must still work.
Payment stateDescribe callbacks, retries, refunds and approval transitions.State and ledger checks for seeded operations, not just HTTP success codes.
Cloud identitiesList cloud accounts, workload roles and pipeline trust relationships.The actual resource and operation permissions gained or refused.

BEFORE THE SCOPING CALL

Bring the right context.

  • API documentation and a role/tenant matrix
  • Seeded transactions and independent state verification
  • A representative build with change-control arrangements
  • Third-party permissions and test data cleanup owners
Open the full readiness checklist ↗

THE NEXT DECISION

Turn product workflows into testable boundaries

Agree representative roles, tenants and transaction states, then document the environment differences and remaining assurance gaps.

Coverage, environments, role combinations, supplier coordination and retesting affect effort. A brief helps expose those assumptions; it is not a price or delivery commitment.

See how the evidence is reported ↗

Method and source references

Read the scope guide · Evaluate a provider · How we publish our guidance