DisclosureLens
HackingEducationEducationVulnerability ExploitZero-DayData ExfiltratedSupply Chain (3P Vendor)PIIIdentity (basic)LowContained

Southern Illinois University

bd_5d6f47343e13f543 · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 25, 2023

Filed

Oct 25, 2023

To disclose

4 weeks

Affected

21state residents only

Linked

8 records

Confidence

66%
Full breach record for Southern Illinois University →3 incidents on file

Southern Illinois University notified affected individuals of a third-party data incident involving the MOVEit Transfer solution. A zero-day vulnerability was exploited by unauthorized actors to access data stored on the MOVEit server between May 29-30, 2023. SIU discovered the incident on September 25, 2023. Personal information, including names, was potentially removed. SIU engaged third-party professionals for investigation and remediation, and offered complimentary credit monitoring services.

Leak gap clock⏱ Leak >90d4 weeks discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 119 days
discovery → filing · 4 weeks / 30 days

May 29, 2023

Begins

Sep 25, 2023

Discovered

Oct 25, 2023

Filed

This filing is one of 8 records about the same incident.View merged incident
A leak claim by cl0p about this victim was first seen 91 days before this filing.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (6) · sorted by filing gap

Show 2 more filings ↓up to 297d gap

Filing propagation · 7 filings · 7 states

View merged incident ↗
Illinois State AGJan 1 · first
Indiana State AG+296d
Vermont State AG+297d
Maine State AG+297d
Massachusetts State AG+297d
Montana State AG+297d · this page
New Hampshire State AG+302d

Pattern: first filing Jan 1 (IL), last Oct 30 (NH) — a 302-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.