2026 WELL Health Kensington Medical Centres — Kazu extortion claim (unverified); 307k patients alleged
Data compromised
Actor-claimed 307,133 primary-care patient records including PII for patients of all ages via WELL Health/Cortico platform—specific field types not itemized; unverified
Technical writeup
Unverified extortion claim — June 28, 2026. Actor Kazu posted a pay-or-sell demand targeting WELL Health Kensington Medical Centres (kmc.cortico.ca), a Canadian primary-care clinic under WELL Health Technologies, claiming 307,133 patient records with a $70,000 ransom and July 12, 2026 deadline. Reporting notes Kazu has posted similar healthcare extortion listings across Latin America and now Canada. WELL Health/Kensington had not publicly confirmed at catalog time. BreachHistory indexes the actor-cited 307,133 count as unverified.
Root cause
Threat actor Kazu claims exfiltration from WELL Health Kensington Medical Centres (kmc.cortico.ca)—$70,000 ransom, July 12, 2026 deadline; unverified by clinic