UnknownHealthcareHealthcareGovernment IDHealth (basic)Medium

Onsite Mammography

bd_3d572dffa9d09a38 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 21, 2025

To disclose

—

Affected

89state residents only

Linked

8 filings

Confidence

95%

Full breach record for Onsite Mammography →2 incidents on file

Onsite Mammography reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-04-21. 89 Massachusetts residents were affected.

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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

Apr 21, 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 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Vermont State AGbd_a9465367175950882025-04-21Verified
HHS OCRbd_a96b83cee14ef51f2025-04-21Verified
Indiana State AGbd_b49795f765e873bc2025-04-21Verified
Nebraska State AGbd_b920c3058b4d0c0e2025-04-21Verified

Show 3 more filings ↓up to 1d gap

New Hampshire State AGbd_c686ace3fe4924d62025-04-21Verified
Maine State AGbd_c85f887b9fa8986b2025-04-21Verified
South Carolina State AGbd_e2d742e7000ab8362025-04-22 · +1dVerified

Name: Onsite Mammography
norm: onsite mammography

Name: Onsite Mammography
norm: onsite mammography
Industry: Healthcareregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 89state-resident count only
Data types: Government IDHealth (basic)
Data elements: Social Security numberMedical information
Stated not affected: Financial account numberDriver's licence numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: MA 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 · 8 filings · 7 states

View merged incident ↗

Vermont State AGApr 21 · first

HHS OCRApr 21 · first

Indiana State AGApr 21 · first

Nebraska State AGApr 21 · first

New Hampshire State AGApr 21 · first

Maine State AGApr 21 · first

Massachusetts State AGApr 21 · first · this page

South Carolina State AG+1d

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: Apr 21, 2025
Raw hash: 10408b80cd67e459515685f904617e80a3d402c711672b85943803b8c2359615

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityOnsite Mammography

Victim entityOnsite Mammography

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov