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Leak SiteSEC 8-KState AGConfirmed16 filings · 15 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedundergroundcritical sensitivity
Merged incident · 16 filings

Healthcare Services Group, Inc. — September 2024 breach

Clustered 16 filings across 16 jurisdictions · filing window Oct 16, 2024 → Sep 2, 2025. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

16 filings

States

15

Affected · reported

624,496

First → last filing

Oct 16, 2024 → Sep 2, 2025

Merge confidence

100%

incident inc_e031d6b995734135 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 15 regulatory filings and 1 unverified claim. Intrusion Sep 27, 2024–Oct 3, 2024, discovered Oct 7, 2024 — the first regulatory filing landed 9 days later (flagged late). 624,496 individuals reported across the linked filings. Data reported: Biometric, Government ID, Authentication, and 6 more. Notifications rolled out on a 321-day schedule across 15 filings beginning Oct 16, 2024. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental
Notification delay
9days

Discovered → first regulatory filing

Discovery variance
239days

Range of discovered_at dates across filings

Leak precedence
Noneclaim trailed by 10d

Days between the first leak-site claim and the first regulatory filing. Positive = the claim came first (public exposure before disclosure). Negative = the claim trailed the filing, so there was no pre-disclosure leak. Counts regulatory filings only — press coverage is not a regulatory disclosure.

Filing span
321days

Time between earliest and latest filing

Not recorded for this incident

Materiality delta · SEC filing delay

Regulatory clocksLeak gap✗ Leak >180dOregon✗ OR AG >45dVermont✗ VT AG >45 bdayRhode Island✗ RI AG >45dFull clock table in Litigation Timeline

Sensitive data

authenticationbiometricidentity_government

Incident timeline

Sep 27, 2024breach begins
Oct 7, 2024discovered · members disagree
notification delay · 9 days
Oct 16, 2024first filing
Sep 2, 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. OCT 16SEC 8-KSEC 8-K noticefirst filing · no count statedday 0
  2. OCT 25Leak siteunderground postattacker claim · unverified+9d
  3. AUG 1IL AGIL AG noticeno count stated+289d
  4. AUG 25OR AGOR AG noticestates nationwide total 624,496+313d
  5. AUG 25WA AGWA AG notice7,745 WA residents+313d
  6. AUG 25MT AGMT AG notice3,829 MT residents+313d
  7. AUG 25VT AGVT AG noticeno count stated+313d
  8. AUG 25DE AGDE AG noticeno count stated+313d
  9. AUG 25CA AGCA AG noticeno count stated+313d
  10. AUG 25NH AGNH AG notice4,943 NH residents+313d
  11. AUG 25NE AGNE AG notice4,026 NE residents+313d
  12. AUG 25IN AGIN AG noticestates nationwide total 624,496+313d
  13. AUG 25MA AGMA AG notice25,583 MA residents+313d
  14. AUG 26TX AGTX AG noticestates nationwide total 624,496+314d
  15. AUG 26SC AGSC AG noticeno count stated+314d
  16. SEP 2RI AGRI AG noticemost recent · 3,628 RI residents+321d
  17. Watching for additional filings — new sources merge into this incident automatically.

Roll-up facts — reconciled across members

Breach window
Sep 27, 2024 – Oct 3, 2024
OR AG
Discovered
Oct 7, 2024WA AG + MT AG + VT AG +6Oct 9, 2024SEC 8-KJun 3, 2025IL AG + OR AG + TX AGfilings disagree on discovery
Data types
Authentication · Biometric · Credentials · Financial account · Health (basic) · Identity (basic) · Government ID · PHI · PII
IL AG + WA AG + NE AG +9
Attack vector
Unauthorized Access
SEC 8-K

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)

624,496

Sum of filed state slices

149,524· 23.9% of stated

76% of the stated total lives in states whose filings carry no count — the dashed share shrinks as filings land.

US624,496
TX82,280
MA25,583
IN17,490
WA7,745
NH4,943
NE4,026
MT3,829
RI3,628

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 claim1 member

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

Press / market report

No press coverage linked yet.

State AG / regulator filing14 members

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

SEC 8-K / victim statement1 member

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

Merge provenance

Method
deterministic
Confidence
1.00 · above the 0.85 auto-merge floor
Reviewed
operator-reviewed Aug 23, 2026 · at least one link edge was human-adjudicated
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

321 days

Cadence

~1 / 21.4d

vs. multi-state median

40.1× slower

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

The Disclosure Clock is a weekly briefing on what landed in the disclosure record, and the gap between the criminals' post and the regulator's filing — measured on the whole record, with the method shown.

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