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How to Test Business Logic Vulnerabilities in a SaaS Application

borghq.io | blog | #authorization | #business-logic | #api-testing | #saas-security | #tenant-isolation
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Summary

Five-step offensive framework for testing SaaS business logic flaws scanners miss: map app invariants, target auth/billing/tenant-isolation surfaces, build abuse cases, test workflow state and object-level authorisation.
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