Data breach
Baltimore Medical System
- Records
- 637,627
- Breach date
- 2 July 2025Estimated
- Added
- 3 November 2025
What was exposed
5 types of data · 1 puts you at serious risk
- Email addresses1
- Names1
- Home addresses1
- Phone numbers1
- Social security numbers1
About this breach
Baltimore Medical System suffered a data breach in July 2025. The leaked dataset holds 637,627 records. It was added to this catalogue on 3 November 2025.
What Information Was Compromised?
The records include email addresses, names, home addresses, phone numbers 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.