A structured archive of global data breaches and cybersecurity incidents. Transparency through documented evidence and technical clarity.
Data breach at Yoido Full Gospel Church: 2026 Yoido Full Gospel Church — member-info change history; ~850k names/DOBs. 850.0K records affected. Root cause: Susp
Data breach at Asahi Kasei Therapeutics: 2026 Asahi Kasei Therapeutics — Pharma DIGITAL vendor breach; ~514k HCPs + ~700 staff. 514.7K records affected. Root ca
Data breach at IDC Frontier: 2026 IDC Frontier — IDCF Cloud East Japan Region 1 ransomware; 495 orgs affected. 0 records affected. Root cause: Ransomware attack
Data breach at Advantest: 2026 Advantest — Feb ransomware; Oct 6 notice confirms PII theft (census unpublished). 0 records affected. Root cause: Ransomware intr
Data breach at FitnessBoutique: 2026 FitnessBoutique — Syrv4x sale claim; 1.96M customer records (unverified). 2.0M records affected. Root cause: Unverified dar
Data breach at Armurerie Douillet: 2026 Armurerie Douillet — ChimeraZ data-sale claim; 7,546 files (unverified). 7.5K records affected. Root cause: Unverified d
Data breach at MedCred: 2026 MedCred — forum dataset claim; 274,534 users (unverified). 274.5K records affected. Root cause: Unverified dark-web / forum dataset
Data breach at ASOS: 2026 ASOS — Xuanye Group push alerts; third-party messaging access; Snowflake claim unverified. 0 records affected. Root cause: Unauthorize
Data breach at Monogatari Corporation: 2026 Monogatari (Yakiniku King) — app member system breach; 10,788,963 records. 10.8M records affected. Root cause: Unaut
Data breach at GMO Research & AI: 2026 GMO Research infoQ — software vuln; up to 948,498 members + gift-code fraud. 948.5K records affected. Root cause: Third p
Data breach at Daiki Suisan: 2026 Daiki Suisan — official app unauthorized access; 174,933 registered users. 174.9K records affected. Root cause: Unauthorized t
Data breach at MrMax: 2026 MrMax — app/online-store unauthorized access; up to 1.735M member records. 1.7M records affected. Root cause: Third party exploited s
Data breach at Trump Mobile: 2026 Trump Mobile — BYOD leak-site claim; ~3,615 customers (unverified). 3.6K records affected. Root cause: Unverified actor claim:
Data breach at Rakuten Drive: 2026 Rakuten Drive — stolen admin credentials; 15,382 accounts’ stored files accessed. 15.4K records affected. Root cause: Adminis
Data breach at Dai-ichi Life: 2026 Dai-ichi Life — HR system unauthorized access; ~120k current/former employees. 120.0K records affected. Root cause: Unauthori
Data breach at ATB Market: 2026 ATB Ukraine — website hijack / DataSuckers $400k extortion; company denies customer-data theft. 7.9M records affected. Root caus
Data breach at Nikkei: 2026 Nikkei — two employee cloud-mail breaches; 1,646 PII + ~9,000 phishing emails. 10.6K records affected. Root cause: Unauthorized acce
Daiwa Securities said up to 110,000 clients’ names and account numbers may have leaked via vendor Scala Communications.
Data breach at MIP Holdings: 2026 MIP Holdings — TheGentlemen insurtech breach claim (unverified). 0 records affected. Root cause: Unverified ransomware / extor
Data breach at Nueva EPS: 2026 Nueva EPS — Vaupés health-record forum claim; 29,018 rows (unverified). 29.0K records affected. Root cause: Unverified dark-web /