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HHS OCRState AGConfirmed19 filings · 9 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedcl0phigh sensitivity
Merged incident · 19 filings

Colorado Department of Health Care Policy and Financing — May 2023 breach

Clustered 19 filings across 9 jurisdictions · filing window Aug 1, 2023 → Feb 20, 2024. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

19 filings

States

9

Affected · reported

4,662,668

First → last filing

Aug 1, 2023 → Feb 20, 2024

Merge confidence

100%

incident inc_046df6a8bc49460c · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 19 regulatory filings. The filings describe hacking. Intrusion May 28, 2023–May 31, 2023, discovered May 31, 2023 — the first regulatory filing landed 62 days later (flagged late). 4,662,668 individuals reported across the linked filings. Data reported: Government ID, PHI, Identity (basic), and 4 more. Notifications rolled out on a 203-day schedule across 19 filings beginning Aug 1, 2023. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental
Notification delay
62days

Discovered → first regulatory filing

Discovery variance
13days

Range of discovered_at dates across filings

Filing span
203days

Time between earliest and latest filing

Not recorded for this incident

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

Regulatory clocksMaine✗ ME AG >90d · 112dVermont✗ VT AG >45 bdayOregon✗ OR AG >45dCalifornia✗ CA 60-day late · 251dDate basis✓ Clock withheld · confirmation dateMassachusetts✓ MA credit monitoring dueHIPAA✓ HHS notifiedSouth Carolina✓ SC CRA notice dueFull clock table in Litigation Timeline

Sensitive data

identity_government

Incident timeline

May 28, 2023breach begins
May 31, 2023discovered · members disagree
notification delay · 62 days
Aug 1, 2023first filing
Feb 20, 2024most 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. AUG 1NH AGNH AG noticefirst filing · 726 NH residentsday 0
  2. AUG 11ME AGME AG noticestates nationwide total 4,091,794+10d
  3. AUG 11VT AGVT AG noticeno count stated+10d
  4. AUG 11CA AGCA AG noticeno count stated+10d
  5. AUG 11MA AGMA AG notice1,655 MA residents+10d
  6. AUG 11DE AGDE AG notice324 DE residents+10d
  7. AUG 11HHS OCRHHS OCR noticestates nationwide total 4,091,794+10d
  8. AUG 14SC AGSC AG notice3,683 SC residents+13d
  9. OCT 3CA AGCA AG noticeno count stated+63d
  10. OCT 3ME AGME AG noticestates nationwide total 4,187,732+63d
  11. OCT 3VT AGVT AG noticeno count stated+63d
  12. OCT 3NH AGNH AG noticeno count stated+63d
  13. OCT 3DE AGDE AG noticeno count stated+63d
  14. FEB 19ME AGME AG noticestates nationwide total 4,662,668+202d
  15. FEB 19OR AGOR AG noticestates nationwide total 4,662,668+202d
  16. FEB 19CA AGCA AG noticeno count stated+202d
  17. FEB 19DE AGDE AG noticeno count stated+202d
  18. FEB 19VT AGVT AG noticeno count stated+202d
  19. FEB 20NH AGNH AG noticemost recent · 410 NH residents+203d
  20. Watching for additional filings — new sources merge into this incident automatically.

Roll-up facts — reconciled across members

Breach window
May 28, 2023
NH AG
Discovered
May 31, 2023DE AG + CA AGJun 13, 2023NH AG + ME AG + VT AG +3filings disagree on discovery
Data types
Financial · Financial account · Health (basic) · Identity (basic) · Government ID · PHI · PII
NH AG + VT AG + CA AG +5
Attack vector
Third-Party / Supply Chain
NH 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)

4,662,668

Sum of filed state slices

7,478· 0.2% of stated

100% of the stated total lives in states whose filings carry no count — the dashed share shrinks as filings land.

US4,662,668
SC3,683
MA1,655
ME1,090
NH726
DE324

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 filing19 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
Reviewed
operator-reviewed Aug 10, 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

203 days

Cadence

~1 / 11.3d

vs. multi-state median

22.6× 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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