Elevated error rates on account information calls with Bank Norwegian in Denmark, Finland, Norway and Sweden

Incident Report for Mastercard OB Services EU and UK

Resolved

Between 01:35 and 06:00 UTC on 2025-11-21 we have seen elevated error rates affecting many calls with Bank Norwegian in Denmark, Finland, Norway and Sweden. Account information calls were affected.
Posted Nov 21, 2025 - 08:03 UTC