**Impact:**
1 - Low
**Description & Scope of incident**
Some MobilePay transactions were internally declined when the card was tokenized and the acquirer was Finaro/Crederox.
**Analysis of Incident**
At 14:01 Some MobilePay transactions started to be marked with incorrect card scheme \(instead of MasterCard/Visa they were marked as ‘Unknown Card’\), but still processed
16:00 the underlying issue was identified
19:00 Monitoring systems indicated that some transactions were declined due to incorrect card scheme information
20:30 A fix was deployed to production which set correct card scheme information to new transactions
**Remedial Action**
16/1-2023 All processed transactions with incorrect card type was updated to have proper card scheme information
Mitigation plan:
* Implemented additional checks/tests for serialization on MobilePay payload
