Korea Credit Bureau

It's alleged that an anonymous employee of the Korea Credit Bureau had access to several of the firm's database. This unknown worker managed to steal data for 18 months by secretly copying it onto an external drive. Kb Kookmin Bank, Lotte Card, and Nonghyup were the hardest hit by data theft. Around 40% of the South Korea population was affected by the breach. The fact that the data was unencrypted made it easy to steal. Companies had no idea had been copied until the investigation informed them about the breach. Almost half a million customers applied to have a new credit card issued. About 20 Milion credit card was lost.