Data breach
United Medical Doctors
- Records
- 638,670
- Breach date
- 31 March 2026Estimated
- Added
- 5 August 2026
What was exposed
6 types of data · 1 puts you at serious risk
- Names638,670
- Phone numbers584,474
- Dates of birth478,163
- Email addresses336,860
- Street addresses297,425
- Social security numbers51,934
About this breach
United Medical Doctors suffered a data breach in March 2026. The attack was claimed by Insomnia. The leaked dataset holds 638,670 records. It was added to this catalogue on 5 August 2026.
What Information Was Compromised?
The records include names, phone numbers, dates of birth, email addresses, street addresses and social security numbers. Social security numbers can be used for fraud and identity theft.
It is listed as a sensitive breach: an email check does not name it, and counts it among the breaches that are not listed publicly.
What Should You Do If You Were Affected?
Consider a credit freeze or a fraud alert, and watch for accounts or loans opened in your name. Expect scam calls and texts that use your real details. Be wary of emails and messages that mention this breach or ask you to confirm personal details.
There is no public write-up of this breach yet: this summary is written from its record.