KDDI Discloses Data Breach Affecting More Than 12 Million People After ISP Email Platform Attack
374/69 Thursday, July 9, 2026 KDDI, a telecommunications company in Japan, has disclosed a data breach after attackers gained access to an email platform used by five internet service providers (ISPs) in Japan, potentially exposing a large number of users’ email addresses and passwords. KDDI is Japan’s second-largest mobile telecommunications provider, with approximately 45,000 employees […]
