HackingEducationEducationEmployee Data InvolvedCustomer Data InvolvedPIIIdentity (basic)EmploymentLowContained

Cleveland City School District

bd_bb119e26d6eaabf0 · schema v1 · pii pii-v1

Severity

Low

Discovered

Oct 4, 2024

Filed

Mar 3, 2025

To disclose

21 weeks

Affected

2state residents only

Linked

2 filings

Confidence

67%

Full breach record for Cleveland City School District →4 incidents on file

Cleveland School District (MS) notified the NH Attorney General of a data security incident discovered on October 4, 2024. An unknown actor accessed and acquired certain employee personal information without authorization. The investigation was completed on February 24, 2025. Two New Hampshire residents were affected. The district took systems offline, engaged forensic experts, and implemented additional security measures. Affected individuals were offered complimentary identity protection services.

J jump to incidentP pin to compareR raw source

Leak gap clock✗ Leak >180d21 weeks discovery → filing

Incident timeline

discovery → filing · 21 weeks / 150 days

Oct 4, 2024

Discovered

Mar 3, 2025

Filed

vs. sector median

+11 wks slower

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

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

Indiana State AGbd_8f3fd5a1f19c16262025-03-03Candidate

Name: Cleveland City School District
norm: cleveland city school district
Domain: clevelandschools.org

Name: Cleveland City School District
norm: cleveland city school district
Domain: clevelandschools.org
Industry: Educationllm

Discovered: Oct 4, 2024
Materiality determined: —
Notification sent: Mar 3, 2025
Affected individuals: 2state-resident count only
Data types: PIIIdentity (basic)Employment
Attack vector: Unknown
Threat actor: External
Regulator citations: Notified New Hampshire Attorney General

During the incident: Took systems offline
Engaged cybersecurity experts to conduct an investigation
Implemented additional security measures to further harden its digital environment
Notified the affected individual
Providing them with steps they can take to protect their personal information
Changes made: Implemented additional security measures to further harden its digital environment in an effort to prevent a similar event from occurring in the future
Offering access to credit monitoring services at no charge
Offering identity protection services including credit monitoring, identity protection services and a call center
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(150 days from discovery to filing)
Compliance flags: Leak >180d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

Indiana State AGMar 3 · first

New Hampshire State AGMar 3 · first · this page

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://mm.nh.gov/files/uploads/doj/remote-docs/cleveland-school-district-20250303.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 3, 2025
Raw hash: e6bb074e148cd76ab32f1ecea8ace3f5ba5fec63ba272595774196002078915a

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityCleveland City School District

Victim entityCleveland City School District

Incidentdiscovered Oct 4, 2024

Stated responseTook systems offline

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov