UnknownHealthcareHealthcareGovernment IDHealth (basic)Financial accountMedium

Bayhealth Medical Center

bd_d8e00c7d2babf469 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Feb 3, 2025

To disclose

—

Affected

894state residents only

Linked

11 filings

Confidence

95%

Full breach record for Bayhealth Medical Center →4 incidents on file

Bayhealth Medical Center reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-02-03. 894 Massachusetts residents were affected.

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Leak gap clock⏱ Leak >90d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Feb 3, 2025

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 11 about the same incident.View merged incident

A leak claim by rhysida about this victim predates this filing by 179 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siterhysidabd_186c09df44f3bb052024-08-07 · +179dVerified

Regulatory filings (9) · sorted by filing gap

Montana State AGbd_362157ac2cddd0182025-02-03Verified
Maine State AGbd_470d92e7afe21bde2025-02-03Verified
Nebraska State AGbd_6d649b7cadf1148b2025-02-03Verified
New Hampshire State AGbd_79aca51b0000ac772025-02-03Verified

Show 5 more filings ↓up to 122d gap

California State AGbd_950fc141689784702025-02-03Verified
Vermont State AGbd_a959cc94549ef9562025-02-03Verified
Delaware State AGbd_e01aeff7b3ae70e72025-02-03Verified
Illinois State AGbd_5688b7f798a8d9062025-02-01 · +2dCandidate
HHS OCRbd_1423e93c664283e02024-10-04 · +122dVerified

Name: Bayhealth Medical Center
norm: bayhealth medical center
Domain: bayhealth.org

Name: Bayhealth Medical Center
norm: bayhealth medical center
Domain: bayhealth.org
Industry: Healthcareregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 894state-resident count only
Data types: Government IDHealth (basic)Financial account
Data elements: Social Security numberMedical informationFinancial account numberDriver's licence number
Stated not affected: Payment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: Leak >90dMA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 9 states

View merged incident ↗

HHS OCROct 4 · first

Illinois State AG+120d

Montana State AG+122d

Maine State AG+122d

Nebraska State AG+122d

New Hampshire State AG+122d

California State AG+122d

Vermont State AG+122d

Delaware State AG+122d

Massachusetts State AG+122d · this page

Pattern: first filing Oct 4 (DE), last Feb 3 (MA) — a 122-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.

Source URL: https://www.mass.gov/doc/data-breach-report-2025/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 3, 2025
Raw hash: bfee4ec3fbee2a8daff16579621b5353ba87576808a443aec20b201e173c49c2

Linked disclosures

Ransomware claims (1)

Regulatory filings (9) · sorted by filing gap

Reporting entityBayhealth Medical Center

Victim entityBayhealth Medical Center

IncidentUnknown

ComplianceLeak >90d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov