It has been confirmed that nearly 1 million users changed carriers last month due to the hacking of 매일경제
Source: GoogleNews
Source Link: https://news.google.com/rss/articles/CBMiU0FVX3lxTE1oaFpJaGZiaXUtUElYUWRqelQyN0FjaUJuR3I3bm5uMU5fYlAwUUo5ZkN6TnM5OG9ZRFNud1Jyd1EtWG1lQWRSQjZPN2FqQ2U3N0o4?oc=5