As of October, reports said that data breaches affecting 260 million people had occurred, with multiple companies, including Yakiniku King and Burger King, suffering data leaks caused by unauthorized access. The companies have disclosed the scope of the leaks and their responses.
This article reports on the large scale of data breaches and the fact that incidents have occurred at multiple companies. Among the main incidents, a data breach affecting 260 million people has been identified, while domestic companies including Yakiniku King and Burger King have disclosed the impact of unauthorized access. The specific companies and disclosure dates are listed, with further updates awaited.
By company, several have disclosed the scale of the damage and provided details on the scope of the leaks and their responses through PDF materials and official announcements. While companies are making progress in communicating their personal-information handling policies and measures to prevent recurrence, it has been reported that determining the full scope of the impact will take time.
These incidents underscore the importance of information-security measures, prompting calls for stronger monitoring systems and verification by third-party organizations to prevent similar damage. Further reports are expected as new information is released, including any expansion of the scope of the impact and additional responses.