DisclosureLens
GLOBALMalwareEducationEducationRansomwareInterlockRansom DemandedActor NamedMedium

Kearney Public Schools

bd_444006e13755bbf0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Filed

Oct 15, 2025

To disclose

Affected

Not disclosed

Linked

4 filings

Confidence

50%
Full breach record for Kearney Public Schools

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Interlock on its public extortion blog. It has not been validated by the victim or any regulator. Treat attribution and counts as the threat actor's assertion until a regulatory filing or victim disclosure corroborates them.

Group activity: EducationDiscovered: 2025-10-15

Source: Ransomware.live

Post text · scraped from the leak site

Kearney Public Schools is a school district comprised of 18 schools of various ages! This school has significant financial and other resources and the ability to protect itself and its students! However, it chose a poor path and is now paying for its irresponsibility! A large amount of confidential and classified information of various kinds was leaked into the public domain! This included personal security data, financial documents, and even information belonging to third parties, such as students' relatives and parents.

Incident timeline — mostly unverified

? — ?

Breach window unknown

Oct 15, 2025

Claim posted

Corroborated · see linked filings

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

Claim → filing

Compliance clock

Not assessable

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings

View merged incident ↗
PressOct 11 · first
Leak Site+5d · this page

Pattern: first filing Oct 11, last Nov 3 (NE) — a 23-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claimThis record

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filing

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.

Source ceiling

  • actor name
  • victim claim
  • ransom/leak status
  • discovery date
  • materiality
  • notification
  • affected count
  • confirmed data types
  • compliance clock

The ✕ fields stay blank until a regulatory filing or victim disclosure lands.

About this groupFirst seen 2023-12-01

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.

127 tracked hereFull profile →