Kalamazoo Public School District
bd_d7c0b14eff07b85e · schema v1 · pii pii-v1
Full breach record for Kalamazoo Public School District →Press / market disclosure — not a breach-notification filing
A media or market posting that confirms an incident but carries no breach-notification fields, so compliance clocks aren't assessable. The summary below is extracted from the coverage — verify against the source.
Kalamazoo Public Schools: Kalamazoo Public Schools experienced a district-wide internet outage today. The outage affected computers and email, but not the telephone system. Although efforts are underway to resolve the issue quickly, the outage is expected to continue at least until tomorrow, May 1. Linked ransomware group: interlock.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Apr 30, 2025
Press report
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Corroborated · see linked filings
This record's own dates cannot anchor compliance clocks; see the linked filings.
Attack → press
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Compliance clock
Not assessable
Linked disclosures
Why this link?Ransomware claims (1)
- Leak Siteinterlockbd_f567ff1c3033890f2025-04-26 · +4dCandidate
Regulatory filings (5) · sorted by filing gap
- Indiana State AGbd_180cbfe964e43c952025-07-08 · +69dVerified
- Nebraska State AGbd_4b1ca388bd35c3502025-07-08 · +69dVerified
- Maine State AGbd_99ca09d419e04b372025-07-08 · +69dVerified by operator
- Massachusetts State AGbd_caa9e0fafef090d02025-07-08 · +69dVerified by operator
Show 1 more filing ↓Show fewer ↑up to 75d gap
- New Hampshire State AGbd_f5709505866f188c2025-07-14 · +75dVerified
Filing propagation · 5 filings · 5 states
View merged incident ↗Pattern: first filing Jul 8 (IN), last Jul 14 (NH) — a 6-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?
Evidence ladder
Attacker assertion only. Establishes: claim date, group, alleged victim.
Unlocks: incident narrative, operational impact. Still no compliance clock.
Unlocks: discovery date, data types, affected count, compliance clock.
Unlocks: materiality, stated response, full audit trail. Ceiling removed.
Source ceiling
- incident type + narrative only (may be machine-translated)
- discovery date
- materiality
- affected count
- data types
- compliance clock
The ✕ fields stay blank until a regulatory filing or victim disclosure lands.
interlock
According to ransomware.live, Interlock is a ransomware group first observed in September 2024 that targets critical infrastructure sectors including healthcare, government, education, and technology across North America and Europe using double-extortion, with 57+ claimed victims including a major US dialysis provider exposing over two million patient records.