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S-Bank fined €1.8m for data security vulnerability in its mobile app

Photo: Nina Kaverinen

Some customers fell victim to a data breach which caused financial losses.

The Sanctions Board of Tietosuojavaltuutetun toimisto – the Finnish Data Protection Ombudsman (DPO) – has fined S-Bank €1.8m ($2.1m) for data security failings within the authentication process of its mobile app S-Mobile.

In 2022, a software bug in the authentication service made it possible to log into the online services with the

The