Seeded test discussion. How would you validate testing third-party integrations safely in an authorized engagement?
Scenario: Identify vendor-owned endpoints, callbacks, and shared services that may fall outside the organization's authority. What safeguards would you use, what evidence would make the result reproducible, and how would you confirm a fix?
Related guide: https://pentest.vanillatesting.com/kb/articles/8-testing-third-party-integrations-safely