News Data Breaches
JR East, Skyticket, Big Echo and Bookoff disclose breaches affecting millions in Japan
Four Japanese companies disclosed incidents between 8 and 9 October 2026 that together may have exposed data on more than 30 million customer records. Causes include a ransomware attack on SoftBank cloud subsidiary IDC Frontier and malware on a contractor's PC.
Jaydeep Bhatt