BreachCensus

Middlesex Sheriff's Office

healthcareHealthcareUnited States of America

Middlesex Sheriff's Office 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 January 30, 2026.

Data as of August 31, 2026.

Sources

Confirmed incident

US-MA

Disclosed
January 30, 2026

Timeline

  1. January 30, 2026
    Reported to regulator Regulator

    MA AG breach notification: 15,322 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
January 20, 2026
Records affected
501

Was I affected? →

Timeline

  1. January 20, 2026
    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