Klarna Bank suffered a severe technical issue this morning that allowed mobile app users to log into other customers' accounts and see their stored information.

Klarna has expanded its “Sign in with Klarna” service, which enables consumers to choose which data they share with merchants, to 23 countries.

Klarna, best known for its buy now, pay later loans, is launching a personal account for deposits and cashback rewards in the U.S. and Europe.

Fintech startup Klarna is turning its mobile app into a banking app in Germany. Customers living there can now open a consumer bank account and get a Visa debit card. For now, Klarna is launching ...