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State AGConfirmed2 filings · 1 stateLifecycle stage 2 of 3: ConfirmedUnverified claimConfirmedEnforcedcritical sensitivity
Merged incident · 2 filings

Cathedral High School — February 2020 breach

Clustered 2 filings across 1 jurisdiction · filing window Dec 6, 2020 → Jan 22, 2021. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge98%

Determination

Confirmed

Members

2 filings

States

1

Affected · reported

—

First → last filing

Dec 6, 2020 → Jan 22, 2021

Merge confidence

98%

incident inc_1895ca1a70d741a2 · merged by deterministic · confidence 98%

Part of the BLACKBAUD, INC. supply-chain incident (2020) — at least 175 organizations filed notifications naming this third party.
Confirmed breach. Merged as one breach: 2 regulatory filings. Intrusion Feb 20, 2020–May 20, 2020, discovered May 1, 2020 — the first regulatory filing landed 219 days later (flagged late). Data reported: Government ID, Minor, and Identity (basic). Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Supplemental
Notification delay
219days

Discovered → first regulatory filing

Filing span
47days

Time between earliest and latest filing

Not recorded for this incident

Discovery variance · Leak precedence · Materiality delta · SEC filing delay — no leak-site claim in this cluster; no SEC 8-K in this cluster; needs two dated filings.

Regulatory clocksCalifornia✗ CA 60-day late · 213dFull clock table in Litigation Timeline

Sensitive data

identity_governmentminor

Incident timeline

Feb 20, 2020breach begins
May 1, 2020discovered
notification delay · 219 days
Dec 6, 2020first filing
Jan 22, 2021most 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. DEC 6CA AGCA AG noticefirst filing · no count statedday 0
  2. JAN 22CA AGCA AG noticemost recent · no count stated+47d
  3. Watching for additional filings — new sources merge into this incident automatically.

Roll-up facts — reconciled across members

Breach window
Feb 20, 2020 – May 20, 2020
CA AG
Discovered
May 1, 2020· 71d undetected
CA AG
Data types
Identity (basic) · Government ID · Minor
CA AG
Attack vector
Third-Party / Supply Chain
CA AG

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

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 filing2 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
0.98 · above the 0.85 auto-merge floor
Audit
Every link edge records its method, confidence and model + prompt versions (98% is the strongest edge).

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

Filing velocity

Spread

47 days

vs. multi-state median

5.9× 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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