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Mankato Clinic, Ltd. data breach (2010) · DisclosureLens

All incidents View linkage analytics →

Incident · single filing

Mankato Clinic, Ltd.

One linked filing — more sources may join as they report · filed Dec 28, 2010. View entity profile → Other incidents for this victim →

Confirmed breach. 3,159 individuals reported across the linked filings.

incident inc_58c1513aff1847b0 · merge_method deterministic

Litigation Timing

Not recorded for this incident

Discovery variance · Leak precedence · Materiality delta · SEC filing delay · Filing span — no leak-site claim in this cluster; no SEC 8-K in this cluster; needs two dated filings.

Regulatory clocksHIPAA✓ HHS notifiedFull clock table in Litigation Timeline

HHS OCRConfirmedLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedmoderate sensitivity

Affected (total reported)

3,159

Data types

3

PHI · Health (basic) · Identity (basic)

Jurisdictions

1

MN

Linked filings

1

all HHS OCR

Timeline

Earliest sighting first · deep chronology in Litigation Timeline

MNHHS OCRFirst filing
Filed Dec 28, 2010bd_ffe7aaa7572ee2b3
Mankato Clinic reported to HHS on 2010-12-28 a Theft affecting 3159 individuals. Breached information located on Laptop.
Affected (this filing): 3,159
HHS notified

About this clustering

DisclosureLens links filings into incidents through layered matchers: deterministic rules (same source document, multistate filings of one breach, tight-window same-victim pairs), a weighted-similarity scorer for cross-source candidates, and an operator review queue for everything uncertain. Each link records its own method and confidence — shown per filing in the timeline below. The system defaults to NOT merging when uncertain, because a false merge (collapsing two unrelated breaches) is more harmful than a false split (showing related filings separately); uncertain pairs route to human review instead of auto-merging. Filing summaries shown in the timeline are AI-generated extracts — verify each against its linked source.