Software Design

Privacy-Preserving Lost Item Recovery

Use Case Diagrams · made in Skemio

Use case diagram for Lost Item Claim system showing Rider submitting claim, driver receiving masked notifications, and Support Agent mediating escalations.
Use case diagram for Lost Item Claim system showing Rider submitting claim, driver receiving masked notifications, and Support Agent mediating escalations.
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What it shows

  • Support agents act as proxy mediators to enforce privacy boundaries
  • Virtual number masking extends direct calling to prevent data leakage
  • Escalations branch automatically when drivers fail to respond in SLA

The takeaway

Never let two untrusted parties talk directly without an ephemeral mediation layer.

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