DisclosureLens
HackingEducationEducationDelayed DiscoveryIdentity (basic)Government IDMediumContained

Joliet Public Schools District #86

bd_55d8e072c1c2a9bf · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 26, 2024

Filed

Oct 8, 2024

To disclose

12 days

Affected

Not disclosed

Linked

5 filings

Confidence

67%
Full breach record for Joliet Public Schools District #86

Joliet Public Schools District 86 notified consumers of a data breach where an unauthorized party may have accessed systems containing names, Social Security numbers, and dates of birth. The district engaged forensic investigators and is offering one year of Experian IdentityWorks credit monitoring.

Leak gap clock Leak >30d12 days 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

discovery → filing · 12 days

Sep 26, 2024

Discovered

Oct 8, 2024

Filed

vs. sector median

7 wks faster

This filing is one of 5 about the same incident.View merged incident
A leak claim by lockbit_3 about this victim predates this filing by 81 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Illinois State AGSep 1 · first
Vermont State AG+37d · this page

Pattern: first filing Sep 1 (IL), last Oct 9 (MT) — a 38-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.