top of page

23 July 2024

MediSecure Data Breach Update Confirms 12.9 Million Records Stolen; Identification of Affected Individuals Difficult

MediSecure Data Breach Update Confirms 12.9 Million Records Stolen; Identification of Affected Individuals Difficult

The April 2024 MediSecure data breach involved ransomware, 6.5 TB of data taken, about 12.9 million records exposed, which just behind the massive Canva breach in May 2019. 


An incident analysis has since determined that at least one of the company’s database servers was hit with ransomware. However the general lack of structure to the data sets may actually be helping to shield victims, however, as it can be difficult to tie details to individual identities. - The data breach included details on prescriptions from March 2019 to November 2023, such as the drug types and dosages issued and with dates issued and patient conditions related to the prescription. 

Copyright @2026 The University of Hong Kong. All Rights Reserved.
bottom of page