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
Yamada Body: customer/partner data may have leaked after mail-server intrusion山田ボデー工業所InvestigatingUnknown2026-05-27
Tokyo Healthcare University: data of 105 nursing students may have leaked via Medica Publishing ransomware東京医療保健大学Investigating105 People2026-05-27
Tokyo Metro Government: nurse-scholarship system permission flaw exposed 565 people to other schools東京都Confirmed565 People2026-05-27
Icomsoft: mail personal data may have leaked after cPanel vulnerability intrusionアイコムソフトInvestigatingUnknown2026-05-27
PreMedica: newsletter sent with another customer’s name displayedプリメディカConfirmedUnknown2026-05-27
Ampex Data Systems: network encrypted and data accessed by threat groupAmpex Data SystemsConfirmedUnknown2026-05-27
Otera Oyatsu Club: 155 book-gift applicants viewable via Google Form misconfigurationおてらおやつクラブConfirmed155 People2026-05-26
Nickey Kehoe: customer data exported via compromised Klaviyo accessNickey KehoeConfirmedUnknown2026-05-26
University of Kitakyushu: faculty/student data may have leaked after remote takeover of staff PC北九州市立大学InvestigatingUnknown2026-05-26
Hokuriku Electric: 202 partner email addresses leaked via misaddressed status mail北陸電力Confirmed202 Records2026-05-26
Interstate Management: personal data may have been taken from hotel systemsInterstate Management CompanyInvestigatingUnknown2026-05-26
ERMI: files may have been accessed via employee email accountsERMIInvestigatingUnknown2026-05-26
Tokyo Metro Government: Tokyo Digital Academy portal access-control flaw leaked staff data東京都ConfirmedUnknown2026-05-25
Osaka Prefecture: Misaki HS students viewed left-behind files covering 180 students大阪府Confirmed180 People2026-05-22
Sacramento County: employee forwarded client data to personal emailSacramento CountyConfirmedUnknown2026-05-22
Japan Soccer College: 516 prospect emails exposed via To: info-session blastJAPANサッカーカレッジConfirmed516 Records2026-05-22
Yokohama DeNA BayStars: parade-supporter data may have leaked via CAMPFIRE intrusion横浜DeNAベイスターズInvestigatingUnknown2026-05-22
VacPartsWarehouse.com: payment card data may have been acquired from online storeVacPartsWarehouse.comConfirmedUnknown2026-05-20
Cardinal Services: two intrusions exposed SSNs, medical and biometric dataCardinal ServicesConfirmedUnknown2026-05-20
Kanazawa HS: guardian bank-account data may have leaked via ICC vendor intrusion金沢高等学校InvestigatingUnknown2026-05-20