Kakao fights back against largest ever fine imposed over KakaoTalk personal information leak - South Korea

The Korea Personal Information Protection Commission has filed a lawsuit against Kakao for violating security measures in connection with a hacking incident that occurred through the open chat of the IT giant Kakao's messaging app "KakaoTalk."
The court decided to impose a fine of 5.141 billion won (approximately 1.740 billion yen). At the same time, the court also decided to impose a fine of 7.8 million won (approximately 8.9 million yen) on the company for violating the obligation to report the leak of personal information.
The court also imposed a fine of 10 million yen on the company. In that case, hackers exploited security vulnerabilities in OpenTalk to collect and sell personal information of participants.
The committee said that various fraudulent methods using KakaoTalk's application programming interface (API) and other features were
They point out that even though the information had been made public before the incident, Kakao did not properly check and take measures against the possibility of personal information being leaked.
In response, Kakao said, "The temporary ID used in OpenTalk that was leaked this time does not contain any personal information.
The company also argued that the information was not leaked directly from the company, and therefore cannot be considered personal information because it is impossible to identify individuals.
They argued that it was unreasonable to impose a penalty that was twice the maximum amount allowed up until now.