norm: middlesex sheriff s officeUSno LEI · no CIKMax severity: Medium

Canonical registry

Middlesex Sheriff's Office

ent_ef4730d21501bfd9a0776067

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Disclosures

1

HHS OCR · 1 jurisdiction

Multi-filing incidents

—

no multi-filing incident in sample

Max affected reported

19,080

nationwide · HHS OCR MA

Leak-site claims

0

none in sample

Identity resolution

Canonical name: Middlesex Sheriff's Office
Normalized: middlesex sheriff s office— dedupe via name-norm; Microsoft / MSFT collapse to one row
GLEIF LEI: No match
SEC EDGAR CIK: None — not an SEC registrant
Domain: None on record

Disclosure history (1)newest first

MASSACHUSETTSHHS OCRas victim2026-01-20
Middlesex Sheriff's Office reported to HHS on 2026-01-20 a Hacking/IT Incident affecting 19,080 individuals. Breached information located on Network Server.