DisclosureLens
MASSACHUSETTSHackingHealthcareHealthcarePHIHealth (basic)Identity (basic)High

Onsite Mammography

bd_a96b83cee14ef51f · schema v1 · pii pii-v1

Severity

High

Discovered

Filed

Apr 21, 2025

To disclose

Affected

357,265

Linked

8 filings

Confidence

69%
Full breach record for Onsite Mammography2 incidents on file

Onsite Mammography reported to HHS on 2025-04-21 a Hacking/IT Incident affecting 357265 individuals. Breached information located on Email. Business Associate present: Yes.

HIPAA clock HHS notified
no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

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

Show 3 more filingsup to 1d gap

Filing propagation · 8 filings · 7 states

View merged incident ↗
Massachusetts State AGApr 21 · first
Vermont State AGApr 21 · first
Indiana State AGApr 21 · first
Nebraska State AGApr 21 · first
New Hampshire State AGApr 21 · first
Maine State AGApr 21 · first
HHS OCRApr 21 · first · this page

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.