UnknownOtherLow

Chicago Public Schools

bd_af47d8bfdd736158 · schema v1 · pii pii-v2

Severity

Low

Discovered

Dec 7, 2024

Filed

Feb 1, 2025

To disclose

—

Affected

Withheld by the regulator

Linked

2 filings

Confidence

95%

Full breach record for Chicago Public Schools →

CHICAGO PUBLIC SCHOOLS filed a data-breach notice with the Illinois Attorney General in February 2025 (case 25-02-103). The register records the breach as discovered on December 7, 2024. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.

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Incident timeline

Dec 7, 2024

Discovered

Feb 1, 2025

Filed

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitecl0pbd_2d9fa9fb63b68bf72025-02-10 · +10dCandidate

Name: Chicago Public Schools
norm: chicago public schools
Domain: cps.k12.il.us

Name: Chicago Public Schools
norm: chicago public schools
Domain: cps.k12.il.us
Industry: Otherllm

Discovered: Dec 7, 2024
Materiality determined: —
Notification sent: —
Affected individuals: Withheld by the regulator
Data types: —
Attack vector: Unknown

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://databreachnoticetoattorneygeneral.illinoisattorneygeneral.gov/
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 1, 2025
Raw hash: 428b59a5fdd175c36881782c47d7d9266208bace9ac8d610b0311fca2f49896c

Linked disclosures

Ransomware claims (1)

Reporting entityChicago Public Schools

Victim entityChicago Public Schools

Incidentdiscovered Dec 7, 2024

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedatabreachnoticetoattorneygeneral.illinoisattorneygeneral.gov