Data breaches

Search incidents by company, country, industry, year and attack method. Review affected data, impact, verification status, company responses and sources.

1169 results
Title / subjectOrganizationsVerificationReported impactDisclosed
Hogan Transports: files accessed or copied in network intrusionHogan TransportsConfirmedUnknown2026-05-08
Hokkaido Gas: 296 records may have leaked after LNG order-system intrusion at subsidiary北海道ガスInvestigating296 Records2026-05-07
Nikkei: data of 291 people may have leaked after Microsoft 365 breach at US subsidiary株式会社日本経済新聞社Investigating291 People2026-05-07
Alliance Roofing: personal data potentially acquired after network disruptionAlliance RoofingInvestigatingUnknown2026-05-07
Cornerstone Care Center: PHI may have been accessed via user accountCornerstone Care CenterInvestigatingUnknown2026-05-07
Kagoshima City: personal data may have leaked after water-meter reading device theft鹿児島市InvestigatingUnknown2026-05-07
Nagoya City: NPO officer/member addresses readable via flawed portal redaction名古屋市ConfirmedUnknown2026-05-07
Horizon Media: files copied after social engineeringHorizon MediaConfirmedUnknown2026-05-06
Berger & Williams: personal data may have been accessed via employee email accountBerger & WilliamsInvestigatingUnknown2026-05-05
Tochigi Prefecture: addresses of 2,653 NPO officers readable via flawed portal redaction栃木県Confirmed2,653 People2026-05-01
Money Forward: 370 business-card related records may have leaked after GitHub intrusionマネーフォワードInvestigating370 Records2026-05-01
Instructure (Canvas): user data exfiltrated in cyberattackInstructureConfirmedUnknown2026-05-01
Gunma Prefecture: 100 tour-application records became viewable via Ota Flex HS form misconfiguration群馬県Confirmed100 Records2026-05-01
Tohoku University: hospital clinical-trial NAS patient data may have leaked after server intrusion東北大学InvestigatingUnknown2026-05-01
TransGlobal Insurance Agency: personal data may have been accessed or acquiredTransGlobal Insurance AgencyInvestigatingUnknown2026-04-29
JC Resorts: files viewed and copiedJC ResortsConfirmedUnknown2026-04-28
Okinawa General Bureau: data of 15,091 people may have leaked after FileZen intrusion内閣府沖縄総合事務局Investigating15,091 People2026-04-28
Frontwave Credit Union: vendor inadvertently disclosed names and SSNs to another credit unionFrontwave Credit UnionConfirmedUnknown2026-04-28
Generation Life reports possible personal-data leak through external providerGeneration LifeInvestigatingUnknown2026-04-27
Alps Alpine: employee data may have been viewed after external-VPN intrusionアルプスアルパインInvestigatingUnknown2026-04-27