Company Data Breaches and Security Incidents

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

1169 results
Confirmed

Devereux: files copied after systems intrusion

An unauthorised actor accessed certain systems from November 6 to 9, 2025 and copied files that could include names, dates of birth, SSNs, medical and health insurance information.

Investigating

ZenPatient: data may have been accessed or copied

An unauthorised actor accessed or copied certain ZenPatient data between December 5, 2025 and February 12, 2026; personal data may have been included.

Confirmed

Nagoya Medical Center: staff personal USB with data on 591 patients temporarily lost

On May 22, 2026 a staff member lost a personal USB holding patient data on the way back from a seconded hospital. Transit staff recovered it May 23 and returned it May 27. No leak/misuse found and external exposure is assessed as low, but the hospital disclosed July 17.

Confirmed

Estée Lauder: personal data obtained from Oracle EBS HR system

In connection with a vulnerability in the Oracle E-Business Suite used for HR, Estée Lauder determined on June 19, 2026 that an unauthorised third party accessed the system around August 9, 2025 and obtained personal information.

Investigating

C-Connect Ink Revolution: payment-app tampering may have leaked 24,166 customer/card records

Possible data leak: Card brands raised concerns Dec 9, 2025; card payments stopped Dec 10 and an investigation began. A vulnerability-driven intrusion had tampered with the payment app, possibly exposing some customers from 2025-04-08 to 2025-12-10. The firm delayed public notice until after investigation results and first published in July 2026 (page id 2026-07-15). No earlier 2025 public disclosure found.

Confirmed

K9 Natural Japan: online-shop intrusion leaked 78,763 member records

Police alerted the firm on July 9, 2026 to a possible leak; external access was cut July 10. First notice July 14 cited about 60k under review. Investigation report confirmed 78,763 leaked records and no card leakage.