DisclosureLens
UnknownHealthcareHealthcareGovernment IDHealth (basic)Medium

Cornerstone Healthcare Group Management Services LLC

bd_09280395ee87b7fb · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jul 2, 2024

To disclose

—

Affected

85state residents only

Linked

4 filings

Confidence

95%
Full breach record for Cornerstone Healthcare Group Management Services LLC →3 incidents on file

Cornerstone Healthcare Group Management Services LLC reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2024-07-02. 85 Massachusetts residents were affected.

Massachusetts clock✓ MA credit monitoring due
⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Jul 2, 2024

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Montana State AGJul 1 · first
Vermont State AGJul 1 · first
Massachusetts State AG+1d · this page
New Hampshire State AG+7d

Pattern: first filing Jul 1 (MT), last Jul 8 (NH) — a 7-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.