HackingEducationEducationStolen CredentialsDelayed DiscoveryIdentity (basic)LowContained

Bastyr University

bd_dd645b52d1ef8917 · schema v1 · pii pii-v1

Severity

Low

Discovered

Apr 30, 2025

Filed

Sep 17, 2025

To disclose

20 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

66%

Full breach record for Bastyr University →

Bastyr University notified consumers of a data breach where unauthorized access occurred between April 23 and April 30, 2025. Suspicious activity was detected on April 30. The incident involved access to names and other data elements. Bastyr engaged forensic specialists and is offering credit monitoring services.

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Vermont clock✗ VT AG >45 bday20 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.

Incident timeline

undetected · 7 days

discovery → filing · 20 weeks / 140 days

Apr 23, 2025

Begins

Apr 30, 2025

Discovered

Sep 17, 2025

Filed

vs. sector median

+10 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Washington State AGbd_1c7b47783656fea72025-09-17Candidate
Indiana State AGbd_765ee33dc60d6c282025-09-17Verified
Massachusetts State AGbd_94c36b4fde444fa22025-09-17Verified
Maine State AGbd_cb6ba0f751c9ad352025-09-17Verified

Name: Bastyr University
norm: bastyr university
Domain: bastyr.edu

Name: Bastyr University
norm: bastyr university
Domain: bastyr.edu
Industry: Educationllm

Discovered: Apr 30, 2025
Breach occurred: Apr 23, 2025 – Apr 30, 2025
Undetected for: 7 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 17, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Launched an investigation with the assistance of third-party forensic specialists
Undertook a comprehensive review of the data at risk
Implemented additional safeguards
Reviewed policies and procedures relating to data privacy and security
Providing access to credit monitoring and identity protection services through Epiq
Changes made: Implemented additional safeguards
Reviewed policies and procedures relating to data privacy and security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 20 weeks(140 days from discovery to filing)
Compliance flags: VT AG >45 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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Washington State AGSep 17 · first

Indiana State AGSep 17 · first

Massachusetts State AGSep 17 · first

Maine State AGSep 17 · first

Vermont State AGSep 17 · first · this page

Evidence ladder

Leak-site claim

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

Press / market report

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

State AG / regulator filingThis record

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

SEC 8-K / victim statement

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

Source URL: https://ago.vermont.gov/document/2025-09-17-bastyr-university-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 17, 2025
Raw hash: eebadcc5f48e2475cd623f5f215693bdc2723acd62f2409de272c407620e2a89

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityBastyr University

Victim entityBastyr University

Incidentdiscovered Apr 30, 2025

Stated responseLaunched an investigation with the assistance of third-party forensic specialists

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov