Financial Supervisory Service confirmed that Stolen credit card data of at least 20 million bank and credit card users in South Korea has been leaked.

An employee of personal credit ratings firm Korea Credit Bureau (KCB) has been arrested accused of one of the greatest data breach in South Korea. The data breach impacted at least 20 million of users, the figure is impressive if we consider that Korean population is 50M. The man was accused of stealing the data from customers of three credit card firms, he worked for them as a consultant. The customers data information was stolen from the internal servers of KB Kookmin Card, Lotte Card and NH Nonghyup Card.”]

Source: https://securityaffairs.co/wordpress/21431/hacking/south-korea-20-million-credit-card-data-leaked.html