All Breaches
December 20, 2020 Verified Sensitive Record Dental Practice Management / Healthcare

MMG Fusion Data Breach

The MMG Fusion data breach concerns patient and account data exposed in December 2020 on the mmgfusion.com service, which is used for dentistry and clinical appointment management.

2.7 Million
Reported Records
9
Data Types
Critical
Severity
Yes
Verification

Exposed Data Types

9
Appointments
Dates of birth
Email addresses
Genders
Marital statuses
Names
Passwords
Phone numbers
Physical addresses

Additional Information

Added DateAugust 7, 2021
Breach DateDecember 20, 2020
Domainmmgfusion.com
SourceDental practice management breach
Last Content UpdateJuly 18, 2026

Verification and editorial method

LeakData compares the incident name, date, affected-record count, and exposed data types with accessible sources. Unverified fields are not presented as facts, and records are updated when new evidence becomes available.

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Company Information

Company NameMMG Fusion
SectorDental Practice Management / Healthcare
CountryUnited States
Websitemmgfusion.com

Risk Level

Critical

The reported impact exceeds 1 million and falls within the critical severity band.

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