Every public data breach

Japan on

1 breachOther

RansomwareUnverifiedOct 14
Japan on Cyberattack Alert as Ransomware Wave Hits Major Brands and Exposes Millions of RecordsCount not stated
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Every breach here links to its sources and official notices. Across Ibis: lawsuits, incidents and outages.

Added2026-10-16
Japan on, 2026-10-14
Added2026-10-15
Japan on