SignalAtlas
Share a reportManage my posts

Data breaches

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

1169 results
CardsTable
Title / subjectOrganizationsVerificationReported impactDisclosed
MrMax: app/online-store intrusion leaked member personal dataミスターマックスConfirmedUnknown2026-10-06
Weathercaster Network: website intrusion may have exposed up to 15,959 member/contact records気象キャスターネットワークInvestigatingUnknown2026-10-06
nimoca: usage-history service intrusion leaked card numbers etc. in 521 casesニモカConfirmed521 Records2026-10-06
Scala Communications: i-ask intrusion may have exposed enquiry data for up to 5 client tenantsスカラコミュニケーションズInvestigatingUnknown2026-10-06
Citizen Watch: vendor form-system intrusion may have exposed about 100,000 inquiry recordsシチズン時計InvestigatingUnknown2026-10-06
Harman Fitness: network intrusion affected personal dataHarman FitnessConfirmedUnknown2026-10-06
Nakabayashi: data of 1,826 graduate applicants leaked via ApplyNow platform breachナカバヤシConfirmed1,826 Records2026-10-06
Active: SQL injection on EC site may have exposed up to 54,916 customer recordsアクティブInvestigatingUnknown2026-10-06
Yamaguchi University: staff mailbox compromise may have exposed 967 contact records山口大学Investigating967 Records2026-10-06
OfferBox: misconfiguration may have exposed student names/emails in enterprise page traffici-plugInvestigatingUnknown2026-10-05
Furusato Choice: Amazon Pay donation bug showed another user’s application data in 254 casesトラストバンクConfirmed254 Records2026-10-05
GMO Research & AI infoQ: member data exfiltrated via vulnerability (up to 948,498); points fraudulently exchangedGMOリサーチ&AIConfirmedUnknown2026-10-05
Kufu Company: Machi Talk beta intrusion leaked user email addressesくふうカンパニーConfirmedUnknown2026-10-05
Daiki Suisan: app intrusion may have exposed personal data on 174,933 members大起水産Investigating174,933 People2026-10-05
Mikuri-gaike Onsen: Temairazu intrusion may have exposed guest reservation dataみくりが池温泉InvestigatingUnknown2026-10-05
Monogatari: 10,788,963 Yakiniku King app member records leaked物語コーポレーションConfirmed10,788,963 Records2026-10-05
Nikkei: Google Workspace compromise may have exposed personal data on 1,646 staff and partners株式会社日本経済新聞社Investigating1,646 People2026-10-04
Nikkei: staff Microsoft 365 compromise may have leaked recipient data and sent about 9,000 malicious emails株式会社日本経済新聞社InvestigatingUnknown2026-10-04
Study Sapuri: feature abuse may have identified 3,687 registered email addressesスタディサプリInvestigating3,687 Records2026-10-03
AbaHouse: intrusion into internal systems may have exposed member and order dataアバハウスInvestigatingUnknown2026-10-02