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Maker-Checker Gates: Stopping Staff Theft in Phone Servicing
How rogue employees swap genuine components for low-tier duplicates—and how supervisor approval thresholds block internal leakage.
The Vulnerability of Unmonitored Repair Tables
In high-volume repair shops, technicians handle valuable capital assets daily. The temptation to swap a customer’s genuine Apple display with a Grade-A duplicate, write off the authentic screen as "damaged," and sell the original privately is a major source of shrinkage.
Implementing Maker-Checker Approval Limits
iShopMaster eliminates employee collusion by implementing **Maker-Checker Security Gates**:
- **Threshold Rules**: Any manual repair price reduction or diagnostic override exceeding Rs. 15,000 is instantly locked.
- **Supervisor Checker**: The ticket requires a secondary signature and RBAC clearance from an authorized admin to commit.
- **Serialized Validation**: Every replacement part is assigned to the technician’s active session, creating an airtight audit trail.
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