Millstone Medical Outsourcing, LLC
bd_805c0e1fa319af0d · schema v1 · pii pii-v2
Full breach record for Millstone Medical Outsourcing, LLC →Millstone Medical Outsourcing, LLC notified a Massachusetts resident of a security incident on December 15, 2025, involving unauthorized access and acquisition of test data. The company is offering 24 months of credit monitoring and fraud assistance through Cyberscout. No specific attack vector or number of affected individuals was disclosed in the letter.
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Incident timeline
Dec 15, 2025
Begins
Oct 1, 2026
Filed
Linked disclosures
Why this link?Regulatory filings (2) · sorted by filing gap
- Vermont State AGbd_631defee06396f902026-09-21 · +10dCandidate
- Indiana State AGbd_16b02a8a37c70dbd2026-09-18 · +13dVerified
Filing propagation · 3 filings · 3 states
View merged incident ↗Pattern: first filing Sep 18 (IN), last Oct 1 (MA) — a 13-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.