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Leak SiteState AGConfirmed7 records · 6 statesLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedvicesocietyhigh sensitivity
Merged incident · 7 records

School District of Elmbrook — August 2022 breach

Clustered 7 records across 6 jurisdictions: 6 filings and 1 leak-site claim · filing window Sep 23, 2022 → Mar 20, 2023. View entity profile → Other incidents for this victim →

⚠ 2 cross-filing discrepancies →Merge100%

Determination

Confirmed

Members

7 records

States

6

Affected · reported

4,356

First → last filing

Sep 23, 2022 → Mar 20, 2023

Merge confidence

100%

incident inc_e663f4a127ab4cce · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 6 regulatory filings and 1 unverified claim. The filings describe unauthorized access. Intrusion Aug 23, 2022–Aug 27, 2022, discovered Aug 30, 2022 — the first regulatory filing landed 24 days later. 4,356 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), and PII. Notifications rolled out on a 178-day schedule across 6 filings beginning Sep 23, 2022. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental
Notification delay
24days

Discovered → first regulatory filing

Discovery variance
181days

Range of discovered_at dates across filings

Leak precedence
19days before filing

Days between the first sighting of the earliest-seen leak-site claim and the first regulatory filing. Measured from when the aggregator first saw the post, not the crew's own (often earlier) date. 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
178days

Time between earliest and latest filing

Not recorded for this incident

Materiality delta · SEC filing delay — no SEC 8-K in this cluster.

Regulatory clocksLeak gap✗ Leak >180dMaine✓ ME AG ≤30d · 24dFull clock table in Litigation Timeline

Sensitive data

identity_government

Incident timeline

Aug 23, 2022breach begins
Aug 30, 2022discovered · members disagree
notification delay · 24 days
Sep 23, 2022first filing
Mar 20, 2023most recent filing

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

Member cascade — every filing and leak-site claim in this incident

  1. SEP 4Leak sitevicesociety postfirst record · attacker claim · unverifiedday 0
  2. SEP 23IN AGIN AG noticestates nationwide total 4,356+19d
  3. SEP 23ME AGME AG noticestates nationwide total 4,356+19d
  4. FEB 24VT AGVT AG noticeno count stated+173d
  5. MAR 16MT AGMT AG notice1 MT residents+193d
  6. MAR 16MA AGMA AG notice2 MA residents+193d
  7. MAR 20NH AGNH AG noticemost recent · 1 NH residents+197d
  8. Watching for additional filings — new sources merge into this incident automatically.

Roll-up facts — reconciled across members

Breach window
Aug 23, 2022
IN AG
Discovered
Aug 30, 2022ME AGJan 13, 2023VT AGFeb 27, 2023NH AGfilings disagree on discovery
Data types
Identity (basic) · Government ID · PII
ME AG + MT AG + MA AG +2
Attack vector
Unauthorized Access
ME 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)

4,356

Sum of filed state slices

8· 0.2% of stated

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

US4,356
IN3
MA2
ME1
MT1
NH1

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 filing6 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 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

178 days

Cadence

~1 / 35.6d

vs. multi-state median

29.7× 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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