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국가·지역: 일본초기화
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제목기업·기관확인 상태피해 규모공개
Hiroshima Gas: investigating possible customer-data impact from Ryomo Systems intrusion広島ガス조사 중알 수 없음2026-09-30
Shudo Gakuen: server intrusion may have exposed staff/student personal and bank-account data修道学園조사 중알 수 없음2026-09-30
QUO Card: LINE official-account campaign system intrusion may have exposed display names and prize infoクオカード조사 중알 수 없음2026-09-29
TOPPAN: mis-sent Sompo Japan premium-deduction contractor list covering 177,426 policyholders to another insurerTOPPAN확인됨177,426 명2026-09-29
Fukuoka Pref.: misposted kaigo-certification application file left personal data on 183 officers viewable福岡県확인됨183 명2026-09-29
Seicomart: app-mediated intrusion into member servers led to viewing of 574,647 club members’ dataセイコーマート확인됨574,647 명2026-09-29
Unirita: intrusion into in-house document system led to theft of customer and employee dataユニリタ확인됨알 수 없음2026-09-29
Nagoya City: mis-attached Excel on an air-survey notice exposed contact data for 572 business sites for about an hour名古屋市확인됨572 레코드 수2026-09-29
Yamato Transport: about 5.26 million deferred-payment customer records exfiltratedヤマト運輸확인됨알 수 없음2026-09-29
Temairazu: TEMAIRAZU intrusion may have led to viewing/acquisition of guest reservation data手間いらず조사 중알 수 없음2026-09-28
Lean on Me: Metabase vulnerability abuse led to theft of personal data on 82,723 peopleLean on Me확인됨82,723 명2026-09-28
Shueisha: data of 2,835 bloggers leaked from HAPPY PLUS COMMUNITY system集英社확인됨2,835 명2026-09-28
Nagano Toshi Gas: Ryomo Systems intrusion may have exposed customer personal data長野都市ガス조사 중알 수 없음2026-09-28
Isesaki City: Ryomo tablet-support intrusion may have exposed 3,789 student account records伊勢崎市조사 중3,789 레코드 수2026-09-28
Saga University: personal data may have leaked after ransomware hit admin NAS (about 80,000 people; patient data under review)佐賀大学조사 중알 수 없음2026-09-28
Daito Gas: Ryomo Systems intrusion may have exposed about 124,000 customers’ data大東ガス조사 중알 수 없음2026-09-28
Starts Publishing: OZmall intrusion may have exposed email (and some name/prefecture) for up to 442,779 membersスターツ出版조사 중알 수 없음2026-09-27
Keio Corporation: ransomware outage; possible exfiltration of customer and confidential data under investigation京王電鉄조사 중알 수 없음2026-09-26
LEGOLAND Japan: Amadeus hotel-booking platform intrusion hit contact data on 1,557 reservationsLEGOLAND Japan확인됨1,557 레코드 수2026-09-25
Izutsu Maisen: ApplyNow intrusion leaked part-time applicant personal data井筒まい泉확인됨알 수 없음2026-09-25