The Public School and Education Employee Retirement Systems of Missouri — September 2021 breach

Clustered 7 filings across 7 jurisdictions · filing window Oct 14, 2021 → Oct 18, 2021. View entity profile → Other incidents for this victim →

⚠ 1 cross-filing discrepancy →Merge100%

Determination

Confirmed

Members

7 filings

States

Affected · reported

349,246

First → last filing

Oct 14, 2021 → Oct 18, 2021

Merge confidence

100%

incident inc_4887ad93af6f40e1 · merged by deterministic · confidence 100%

Confirmed breach. Merged as one breach: 7 regulatory filings. The filings describe unauthorized access. Intrusion Sep 11, 2021, discovered Sep 11, 2021 — the first regulatory filing landed 33 days later. 349,246 individuals reported across the linked filings. Data reported: Government ID, Identity (basic), and Financial account. Each member filing remains the legal record for its jurisdiction.

Litigation Timing

Notification delay

33days

Discovered → first regulatory filing

Discovery variance

0days

Range of discovered_at dates across filings

Filing span

4days

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 >30d · 33dMassachusetts✓ MA credit monitoring dueOregon✓ OR AG ≤45dFull clock table in Litigation Timeline

No cross-filing comparison data available for this incident.

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