The techniques used to compromise stored-value cards have shifted dramatically between 2023 and 2026. The table below outlines how common theft vectors operate, their operational scale, and their direct impact on consumers:
| Fraud Vector | Primary Mechanism | Typical Value Exposed | Detection Window |
|---|---|---|---|
| Internal Store Credit Abuse | Employees clone return credits via register overrides | $500, $2,000 per card | Weeks to months |
| Rack Tampering & Resealing | Physical PIN stripping and replacement with counterfeit film | $50, $500 per card | Under 15 minutes post-activation |
| Barcode Overlay Fraud | Stickers pasted over real barcodes to divert cashier deposits | Deposit amount ($25, $500) | Immediate at point of sale |
| Online Portal Bot Scraping | Brute-force PIN algorithms probing retail balance engines | Variable balances | Instant digital drain |
