An illustrative situation · 4 chapters
New payments, new roles, or a new API change the risk
An old assessment covered the old product. Check whether a new feature changes who can move money or reach customer data, then scope testing around that change.
Chapter 01
Name the new authority the feature gives someone.
A billing administrator can now issue refunds. A partner API can export customer records. Write down who gains that ability and which account or organization it should apply to. The useful question is whether those limits hold when the request comes from the wrong person or crosses a customer boundary.
01 / Change · a new action with a new access boundary
Chapter 02
Check the rules behind the happy path.
The intended refund may work perfectly while a repeated or altered request behaves incorrectly. OWASP's testing guidance includes authorization and business-logic testing for this reason. Ask what assumptions the feature makes about the caller and transaction state, then identify tests that challenge those assumptions.
02 / Reason · permissions and business rules need scrutiny
Chapter 03
Bring the change and test accounts into scope.
Show Sythe Labs the changed flows and the roles involved before agreeing the engagement scope. Your team supplies authorized accounts and explains any payment-provider or third-party testing restrictions. Engineers implement fixes from the report and keep regression tests for the behavior that failed. A provider's own assessment doesn't establish that your integration is correct.
03 / Scope · changed behavior, accounts, and testing permissions
Chapter 04
Match the work to the change.
Use the findings to decide what needs fixing before broader rollout and what needs retesting. A wording-only change usually doesn't justify a fresh application pentest on its own. A new privileged API path deserves a different conversation. Keep the reason for the testing decision alongside the release record.
04 / Result · a testing decision tied to the actual feature
What you leave with
A change-focused assessment plan with the affected permissions and transactions named.
Have a similar task on your team's list? Book a call to discuss how this workflow would fit your systems and who would need to be involved.