HackingStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedIDENTITY_BASICIDENTITY_GOVERNMENTMediumContained
Mount Mansfield Unified Union School District
bd_d4798df32f751c4d · schema v1 · pii pii-v1
Full breach record for Mount Mansfield Unified Union School District →Mount Mansfield Unified Union School District notified Vermont AG that PowerSchool experienced a security event between Dec 19-28, 2024. An unknown actor accessed and downloaded student and teacher data, including names and Social Security numbers. The District investigated, offered 24 months of credit monitoring via Experian, and is reviewing internal policies.
Vermont clock⏱ VT AG >14 bday6 weeks discovery → filing
⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident
Source provenance
- Source URL
- https://ago.vermont.gov/document/2025-02-06-mount-mansfield-unified-union-school-district-data-breach-notice-consumer
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Feb 6, 2025
- Raw hash
- 8bf77959e5ca8cf148c84bc9fb0dc254e52f18d2a371e3fef2a8386c63a90c2f
Reporting entity
- Name
- Mount Mansfield Unified Union School Districtnorm: mount mansfield unified union school district
Victim entity
- Name
- Mount Mansfield Unified Union School Districtnorm: mount mansfield unified union school district
Incident
- Discovered
- Dec 28, 2024
- Materiality determined
- Feb 6, 2025
- Notification sent
- Feb 6, 2025
- Affected individuals
- Not disclosed
- Data types
- IDENTITY_BASICIDENTITY_GOVERNMENT
- Attack vector
- Third-Party / Supply Chain
- MITRE ATT&CK
- T1078 Valid AccountsT1119 Automated Collection
- Threat actor
- External
- Regulator citations
- Filed notice with Vermont Attorney General's Office
- Third party
- via PowerSchool
- Initial access
- trusted_relationship
Compliance
- Time to disclose
- 6 weeks(40 days from discovery to filing)
- Compliance flags
- VT AG >14 bday
- Discovery-date grounding
- unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.