DisclosureLens
HHS OCRState AGConfirmed8 filings · 7 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedhigh sensitivity
Merged incident · 8 filings

Onsite Mammography — October 2024 breach

Clustered 8 filings across 7 jurisdictions · filing window Apr 21, 2025 Apr 22, 2025. View entity profile → Other incidents for this victim →

Determination

Confirmed

Members

8 filings

States

7

Affected · reported

357,265

First → last filing

Apr 21, 2025 Apr 22, 2025

Merge confidence

100%

incident inc_c2c6d7d0ba214800 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 8 regulatory filings. Intrusion Oct 2, 2024–Oct 4, 2024, discovered Oct 1, 2024 — the first regulatory filing landed 202 days later (flagged late). 357,265 individuals reported across the linked filings. Data reported: Government ID, Health (basic), PII, and 3 more. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay
202days

Discovered → first regulatory filing

Discovery variance
3days

Range of discovered_at dates across filings

Filing span
1days

Time between earliest and latest filing

Not recorded for this incident

Leak precedence · Materiality delta · SEC filing delayno leak-site claim in this cluster; no SEC 8-K in this cluster.

Regulatory clocksVermont VT AG >45 bdayMaine ME AG >90d · 201dMassachusetts MA credit monitoring dueHIPAA HHS notifiedSouth Carolina SC CRA notice dueFull clock table in Litigation Timeline

Sensitive data

identity_government

Incident timeline

Oct 2, 2024breach begins
Oct 1, 2024discovered · members disagree
notification delay · 202 days
Apr 21, 2025first filing
Apr 22, 2025most recent filing

Dashed segments are unestablished, not zero — they fill in as filings merge into this incident.

Member cascade — every filing about this breach

  1. APR 21MA AGMA AG noticefirst filing · 89 MA residentsday 0
  2. APR 21VT AGVT AG noticeno count statedday 0
  3. APR 21HHS OCRHHS OCR noticestates nationwide total 357,265day 0
  4. APR 21IN AGIN AG noticestates nationwide total 357,265day 0
  5. APR 21NE AGNE AG notice36 NE residentsday 0
  6. APR 21NH AGNH AG notice39 NH residentsday 0
  7. APR 21ME AGME AG noticestates nationwide total 357,265day 0
  8. APR 22SC AGSC AG noticemost recent · 6,925 SC residents+1d
  9. Watching for additional filings — new sources merge into this incident automatically.

Roll-up facts — reconciled across members

Breach window
Oct 2, 2024
IN AG
Discovered
Oct 1, 2024VT AG + SC AGOct 2, 2024ME AGOct 4, 2024NE AG + NH AGfilings disagree on discovery
Data types
Employment · Health (basic) · Identity (basic) · Government ID · PHI · PII
MA AG + NE AG + HHS OCR +4
Attack vector
Phishing
VT AG

Each fact cites the member filing that establishes it; when filings conflict, every value shows with its source.

Count reconciliation

per-state reported counts

Nationwide (stated in a filing)

357,265

Sum of filed state slices

13,650· 3.8% of stated

96% of the stated total lives in states whose filings carry no count — the dashed share shrinks as filings land.

US357,265
SC6,925
IN6,529
MA89
NH39
NE36
ME32

State AGs report only their own residents; teal bars show each state's reported slice. The gray US row is the nationwide total reported in a linked filing.

Evidence ladder — rungs this incident occupies

Leak-site claim

No leak-site claim on record for this incident.

Press / market report

No press coverage linked yet.

State AG / regulator filing8 members

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

SEC 8-K / victim statement

No SEC filing or victim statement yet.

Merge provenance

Method
deterministic
Confidence
1.00 · above the 0.85 auto-merge floor
Audit
Every link edge records its method, confidence and model + prompt versions (100% is the strongest edge).

Merges are reversible — a wrong link can be detached with its audit trail intact. How merging works.

Filing velocity

Spread

1 days

Cadence

~1 / 0.1d

vs. multi-state median

8.0× faster

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. This page states only what the linked filings agree on; each filing's own account stays on its own record, linked from the timeline below.

The weekly clock on records like this one

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