Bancolombia’s Failed Migration Left Millions Offline for Five Days

Colombia · Digital Banking Key Facts —The outage. A failed data-centre migration knocked Bancolombia’s digital channels offline for about five days in February 2026. —The scale. More than 20 million of the bank’s roughly 26 million clients could not use the app, online banking, or PSE payments. —The cause. An IBM-layer component update failed during…