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GLOBALMalwareEducationEducationRansomwareMedusaRansom DemandedActor NamedData Leak ThreatenedMedium

Traverse City Area Public Schools

bd_3327a5e2353e941b · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 31, 2024

To disclose

—

Affected

Not disclosed

Linked

8 records

Confidence

50%
Full breach record for Traverse City Area Public Schools →

Threat-actor claim — not a regulatory filing

This row is a claim by the ransomware group Medusa 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: 2024-04-14
View aggregator listing on ransomware.liveView merged incident timeline

Source: Ransomware.live

Post text · scraped from the leak site

Traverse City Area Public Schools is a public school district based in Traverse City, Michigan, United States. This district includes 10 elementary schools, 2 middle schools, 2 high schools, 1 alternative high school, and 1 Montessori school. The district serves 8,908 students. Traverse City Area Public Schools school district office is located in 412 Webster St Rm C, Traverse City, Michigan, 49686, United States and has 932 employees. The total amount of data leakage is 1.2 TB

Incident timeline — mostly unverified

? — ?

Breach window unknown

Mar 31, 2024

Claim posted

—

Corroborated · see linked filings

This record's own dates cannot anchor compliance clocks; see the linked filings.

Claim → filing

—

Compliance clock

Not assessable

This leak-site claim is one of 8 records about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓up to 484d gap

Press reports (2)

Filing propagation · 5 filings · 5 states

View merged incident ↗
Massachusetts State AGJul 24 · first
Vermont State AGJul 24 · first
Maine State AGJul 24 · first
Indiana State AGJul 24 · first
New Hampshire State AG+4d

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 2023-01-11

medusa

According to ransomware.live, Medusa is a ransomware-as-a-service operation active since June 2021 that has targeted over 300 victims across critical infrastructure sectors including healthcare, education, legal, and manufacturing using double-extortion, with attacks surging 42% between 2023 and 2024 and a formal CISA advisory issued in early 2025.

565 tracked hereFull profile →