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Pentest discussion: Testing tenant isolation in API filters

AdminUser

Seeded test discussion. How would you validate testing tenant isolation in api filters in an authorized engagement?

Scenario: Use paired test tenants and try an otherwise valid filter with the other tenant's identifier. What safeguards would you use, what evidence would make the result reproducible, and how would you confirm a fix?

Comments

AdminUser

Testing approach: Use paired test tenants and try an otherwise valid filter with the other tenant's identifier. Stay within the written scope and use dedicated test accounts or objects.

AdminUser

Evidence: Record the caller tenant, filter, returned record owners, and response status. Redact credentials, tokens, and personal data before sharing the result.

AdminUser

Fix and retest: Derive tenant scope from authenticated context and enforce it in queries. Repeat the original check after deployment and record the outcome.