Traverse City Area Public Schools
bd_ccf4838e1d945d0a · schema v1 · pii pii-v1
Full breach record for Traverse City Area Public Schools →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.
Traverse City Area Public Schools close for cyber breach investigation. Traverse City Area Public Schools: The public schools in the Traverse City area closed on Monday to investigate a cyberattack that disrupted their network and access to certain systems. The administration responded by immediately disconnecting the network and engaging a specialized cybersecurity firm to secure the environment and conduct a thorough investigation. Classes were canceled for Monday, April 1, 2024, with the possibility that the closure could extend until Tuesday. Linked ransomware group: medusa.
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Incident timeline — mostly unverified
? — ?
Breach window unknown
Mar 31, 2024
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 Sitemedusabd_3327a5e2353e941b2024-03-31Verified
Regulatory filings (5) · sorted by filing gap
- Massachusetts State AGbd_352c7e60867f59552025-07-24 · +480dCandidate
- Vermont State AGbd_39dec15e884b64ac2025-07-24 · +480dVerified
- Maine State AGbd_650cc53ee19c6ca02025-07-24 · +480dVerified
- Indiana State AGbd_a47a7d5ca4d3e6d72025-07-24 · +480dVerified
Show 1 more filing ↓Show fewer ↑up to 484d gap
- New Hampshire State AGbd_403a303cc8ab92bc2025-07-28 · +484dVerified
Press reports (1)
- Pressmedusabd_5b3f571bc7fb04c62024-03-28 · +3dCandidate
Filing propagation · 5 filings · 5 states
View merged incident ↗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.
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.