MMG Fusion data breach: 2.7M accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2021-08-07
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. Exposed data: appointments, dates of birth, email addresses, genders, marital statuses, names, passwords, phone numbers, physical addresses. The breach dates from Dec 20, 2020; Have I Been Pwned loaded it on Aug 7, 2021.
What to do
- If you had a MMG Fusion account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
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