HackingEducationEducationVulnerability ExploitZero-DayData ExfiltratedTargetedPIIIdentity (basic)Government IDMediumContained

The University of Missouri

bd_53989a374920c576 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 31, 2023

Filed

Oct 25, 2023

To disclose

21 weeks

Affected

32state residents only

Confidence

66%

Full breach record for The University of Missouri →

The University of Missouri notified individuals of a data breach involving the MOVEit Transfer application. A zero-day vulnerability announced by Progress Software on May 31, 2023, allowed unauthorized access. The University confirmed personal information was acquired. Response included engaging cybersecurity experts, notifying law enforcement, taking the application offline, patching the vulnerability, and offering two years of Kroll identity monitoring.

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Incident timeline

discovery → filing · 21 weeks / 147 days

May 31, 2023

Begins

May 31, 2023

Discovered

Oct 25, 2023

Filed

vs. sector median

+14 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed32 affectedView incident

Name: The University of Missouri
norm: the university of missouri

Name: The University of Missouri
norm: the university of missouri
Industry: Educationllm

Discovered: May 31, 2023
Breach occurred: May 31, 2023
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 32state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement
Initial access: exploit_public_facing

During the incident: Engaged third-party cybersecurity experts to assist us in investigating
Notified law enforcement
Took the MOVEit application offline
Applied the available patches to address the vulnerability
Secured the services of Kroll to provide identity monitoring
Changes made: Applied the available patches to address the vulnerability
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(147 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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.

Source URL: https://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-791.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 25, 2023
Raw hash: 0332d850d42a6ca4db07dfdce4d8f32f8b248cca49038f1e4c22da4d7f6ff4c9

Reporting entityThe University of Missouri

Victim entityThe University of Missouri

Incidentdiscovered May 31, 2023

Stated responseEngaged third-party cybersecurity experts to assist us in investigating

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov