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Tagged #japan data breach · clear
Security·Oct 30, 2026·14 min read
KDDI Data Breach Explained: How a Zero-Day Exposed 12 Million ISP Email Accounts
A zero-day in third-party software let attackers into the email platform KDDI runs for six Japanese ISPs. Who was hit, what leaked, what regulators did and what to do now.
Security·Oct 30, 2026·14 min read
Japan Data Breaches, October 2026: Rakuten Travel, Furusato Choice and a Month of Leaks
Furusato Choice, Rakuten Travel, Sony's So-net, Capcom, Sourcenext, Burger King Japan: October 2026 brought so many leaks that Japan's prime minister called an emergency ministers' meeting. What each one exposed, why Japan is being hit, and what to do.