DisclosureLens
HackingEducationEducationIdentity (basic)Government IDCritical

The Curators of the University of Missouri

bd_c3de8a40450c33a3 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Sep 9, 2023

Filed

Oct 24, 2023

To disclose

6 weeks

Affected · nationwide

118,80836 in this filing

Linked

6 filings

Confidence

50%
Full breach record for The Curators of the University of Missouri →2 incidents on file

The University of Missouri experienced an external system breach (hacking) that was discovered on September 9, 2023. The breach, which occurred on May 31, 2023, affected 36 Maine residents. The compromised information included names and Social Security numbers. The university notified the affected individuals on October 20, 2023, and offered 24 months of identity theft protection services through Kroll.

Maine clockDiscovered Sep 9, 2023 → Filed with AG Oct 24, 202345d ⏱ ME AG >30d6 weeks discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 101 days
discovery → filing · 6 weeks / 45 days

May 31, 2023

Begins

Sep 9, 2023

Discovered

Oct 24, 2023

Filed

vs. sector median

1 wks faster

This filing is one of 6 about the same incident.View merged incident
Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓up to 4d gap

Filing propagation · 6 filings · 6 states

View merged incident ↗
Vermont State AGOct 20 · first
Indiana State AGOct 20 · first
Maine State AG+4d · this page
California State AG+5d
New Hampshire State AG+5d
Massachusetts State AG+5d

Pattern: first filing Oct 20 (VT), last Oct 25 (MA) — a 5-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

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

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

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

SEC 8-K / victim statement

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