BreachCensus

Baltimore Medical System, Inc.

healthcareHealthcareUnited States of America

Baltimore Medical System, Inc. is a healthcare organisation in Massachusetts. It appears on the HHS OCR breach portal and the Massachusetts Attorney General breach-notification register with 2 confirmed incidents; the most recent notice was filed on April 2, 2026.

Data as of August 31, 2026.

Sources

Confirmed incident

US-MA

Disclosed
April 2, 2026

Timeline

  1. April 2, 2026
    Reported to regulator Regulator

    MA AG breach notification: 12 Massachusetts residents affected

    source
What a Massachusetts notice means

Required under M.G.L. c. 93H. Notice to the Attorney General is required for a breach affecting any number of Massachusetts residents' personal information -- the statute sets no minimum count.

Note: the count is Massachusetts residents only, not a total.

Massachusetts breach-notification register ↗

Confirmed incident

US-MA — Hacking/IT Incident

Disclosed
December 12, 2025
Records affected
501

Was I affected? →

Timeline

  1. December 12, 2025
    Reported to regulator Regulator

    HHS OCR breach portal listing: Hacking/IT Incident; Network Server

    source

Related

Same sector and location

Disclosed around the same time