Umilink (Shibuya Ward, Tokyo), an email delivery service provider, announced on November 11 that a total of 47,860,147 pieces of personal information, including email addresses, had been leaked externally in connection with the unauthorized access it disclosed on October 19. As of October 26, the company had said that as many as approximately 51.62 million records might have been leaked, but it subsequently reassessed the number through further investigati