Traverse City Area Public Schools disconnected its network after detecting a disruption in late March 2024, canceling classes April 1 and 2. A later district notification dates unauthorized file acquisition to about March 19. The incident affected the Michigan school district’s operations and exposed personal information; the full technical and data scope remains uncertain.
Analyst assessment
The district’s notification letter filed with Massachusetts regulators says an unauthorized party acquired electronic files on or about March 19, 2024. It describes containment, forensic investigation and a manual document review that identified potentially affected personal information around May 20, 2025. That later finding establishes additional data consequences without showing that systems remained unavailable into 2025.
Contemporaneous reporting quoting district officials documents the March 30 public acknowledgment, network isolation and outside cybersecurity assistance. March 28 was the reported disruption-detection date, rather than the earliest malicious activity established by the later letter.
Operational significance
The district’s statements reproduced by 9&10 News link the two canceled school days to network isolation and infrastructure testing. Officials planned to resume classes April 3. That announcement does not establish when every application or device returned to normal. The educational interruption is well documented, while a precise technical restoration date remains unknown.
Confidence and uncertainty
Confidence is high in the network disruption, class cancellations and unauthorized file acquisition because district statements directly support them. Comparitech reported that Medusa demanded $500,000 to withhold alleged stolen data, while noting that the district had not confirmed the demand. The claimed 1.2-terabyte volume remains unverified.
The 74’s investigation reported that employee information appeared online, citing earlier local reporting and a staff member’s discovery. The district’s later letter confirms file acquisition but does not identify Medusa, establish its claimed volume or disclose the full contents in the public template. Attribution remains qualified, and actual encryption is not established.
Analytic gaps
The entry method, complete affected population and data categories, extent of encryption, payment outcome and final restoration date remain unresolved. This district incident is separate from the June 2024 city/county government attack and the later PowerSchool breach.