UnknownEducationEducationGovernment IDMedium

Kalamazoo Public School District

bd_caa9e0fafef090d0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jul 8, 2025

To disclose

—

Affected

14state residents only

Linked

7 filings

Confidence

95%

Full breach record for Kalamazoo Public School District →

Kalamazoo Public Schools reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-07-08. 14 Massachusetts residents were affected.

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Leak gap clock⏱ Leak >30d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline — partial

? — ?

Breach window unknown

Jul 8, 2025

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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
Nebraska State AGbd_4b1ca388bd35c3502025-07-08Verified
Maine State AGbd_99ca09d419e04b372025-07-08Verified 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: Educationregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 14state-resident count only
Data types: Government ID
Data elements: Social Security number
Stated not affected: Medical informationFinancial account numberDriver's licence numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: Leak >30dMA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 5 states

View merged incident ↗

PressApr 30 · first

Indiana State AG+69d

Nebraska State AG+69d

Maine State AG+69d

Massachusetts 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://www.mass.gov/doc/data-breach-report-2025/download
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: 20733784bed470536922e9ddf418bf92c2755410854135ef4cc5183faeb076ef

Linked disclosures

Ransomware claims (1)

Regulatory filings (5) · sorted by filing gap

Reporting entityKalamazoo Public School District

Victim entityKalamazoo Public School District

IncidentUnknown

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov