HackingEducationEducationCustomer Data InvolvedDelayed DiscoveryIdentity (basic)Government IDMediumContained

Kalamazoo Public School District

bd_4b1ca388bd35c350 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Apr 30, 2025

Filed

Jul 8, 2025

To disclose

—

Affected

Not disclosed

Linked

7 filings

Confidence

66%

Full breach record for Kalamazoo Public School District →

Kalamazoo Public Schools notified Nebraska residents of a security incident detected on April 30, 2025, involving unauthorized network access. The breach potentially exposed personal information, including names and Social Security numbers. The school engaged outside cybersecurity professionals, contained the network, and offered complimentary credit monitoring and identity theft insurance via Epiq. Notices were sent on July 8, 2025.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d

Incident timeline

Apr 30, 2025

Discovered

Jul 8, 2025

Filed

This filing is one of 7 about the same incident.View merged incident

A leak claim by interlock about this victim predates this filing by 73 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteinterlockbd_f567ff1c3033890f2025-04-26 · +73dCandidate

Regulatory filings (5) · sorted by filing gap

Indiana State AGbd_180cbfe964e43c952025-07-08Verified
Maine State AGbd_99ca09d419e04b372025-07-08Verified by operator
Massachusetts State AGbd_caa9e0fafef090d02025-07-08Verified by operator
New Hampshire State AGbd_f5709505866f188c2025-07-14 · +6dVerified

Show 1 more filing ↓up to 69d gap

Pressinterlockbd_d7c0b14eff07b85e2025-04-30 · +69dCandidate

Name: Kalamazoo Public School District
norm: kalamazoo public school district
Domain: kalamazoopublicschools.com

Name: Kalamazoo Public School District
norm: kalamazoo public school district
Domain: kalamazoopublicschools.com
Industry: Educationllm

Discovered: Apr 30, 2025
Materiality determined: —
Notification sent: Jul 8, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Initial access: exploit_public_facing

During the incident: Securely contain our network
Restore our systems
Launched an immediate investigation in consultation with outside cybersecurity professionals
Determine what, if any, information was impacted
Providing you with access to of complimentary services through Epiq - Privacy Solutions ID
Changes made: Kalamazoo continually evaluates and modifies its practices and internal controls to enhance the security and privacy of your information
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >30d
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 · 6 filings · 5 states

View merged incident ↗

PressApr 30 · first

Indiana State AG+69d

Maine State AG+69d

Massachusetts State AG+69d

Nebraska State AG+69d · this page

New Hampshire State AG+75d

Pattern: first filing Apr 30, last Jul 14 (NH) — a 75-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.

Source URL: https://nebraska.gov/ago/data-breach/documents/ddb804b4-59aa-4cda-837d-5535ac21f3fe.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 8, 2025
Raw hash: 889186facbb4807baecf0095430760c16c49f7c95899ecc49f02ed6759851992

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityKalamazoo Public School District

Victim entityKalamazoo Public School District

Incidentdiscovered Apr 30, 2025

Stated responseSecurely contain our network

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancenebraska.gov