What was exposed, when it happened, and which databases confirm it.
- accounts
- 2,660,295
- Breached
- December 20, 2020
- Last Update
- August 7, 2021
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 December 2020, the dental practice management service MMG Fusion was the victim of a data breach which exposed 2.6M unique email addresses. The data also included patient appointments, names, phone numbers, dates of birth, genders and physical addresses. A small number of records also included passwords stored as bcrypt hashes.
Compromised Info
- Appointments
- Dates of birth
- Email addresses
- Genders
- Marital statuses
- Names
- Passwords
- Phone 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
- Dehashed— linked via domain matching
- HIBP
FAQ
What was leaked in the MMGFusion breach?
The MMGFusion breach exposed: Appointments, Dates of birth, Email addresses, Genders, Marital statuses, Names, Passwords, Phone numbers, and Physical addresses.
When did the MMGFusion breach happen?
The MMGFusion breach was disclosed on December 20, 2020 and affected 2,660,295 records.
Am I affected by the MMGFusion breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the MMGFusion leak.