KnowledgeKrew

Consumer Mobile App · client anonymised

Android & iOS Security Assessment for a 500K+ download wallet app

Client profile

  • Consumer wallet / rewards mobile app
  • 500K+ downloads, fintech-adjacent
  • Pre-release security gate

Engagement scope

  • Static + dynamic testing of Android and iOS builds
  • OWASP MASVS-aligned methodology
  • API backend correlation testing
  • 3-week engagement

Notable themes

Insecure local data storage, hardcoded API keys, weak certificate-pinning implementation.

Business outcome

Fixes validated pre-release and the app-store submission unblocked. A MASVS-aligned checklist was adopted for all future release cycles.

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