What was exposed, when it happened, and which databases confirm it.
- accounts
- 12,721,132
- Breached
- April 22, 2022
- Last Update
- December 24, 2025
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
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What happened
In April 2022, Russian pharmaceutical company Gemotest suffered a data breach that exposed 31 million patients. The data contained 6.3 million unique email addresses along with names, physical addresses, dates of birth, passport and insurance numbers. Gemotest was later fined for the breach.
Compromised Info
- Dates of birth
- Email addresses
- Genders
- Government issued IDs
- Health insurance information
- Names
- Passport numbers
- Physical addresses
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- LeakCheck— linked via automatic string matching
- HIBP
FAQ
What was leaked in the Gemotest breach?
The Gemotest breach exposed: Dates of birth, Email addresses, Genders, Government issued IDs, Health insurance information, Names, Passport numbers, and Physical addresses.
When did the Gemotest breach happen?
The Gemotest breach was disclosed on April 22, 2022 and affected 12,721,132 records.
Am I affected by the Gemotest breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the Gemotest leak.