HackingPhishingStolen CredentialsVulnerability ExploitMulti-Stage ChainData ExfiltratedCustomer Data InvolvedIDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNTCREDENTIALSHighContained
Washington International School
bd_81dcf7a0a997341c · schema v1 · pii pii-v1
Full breach record for Washington International School →Washington International School notified Vermont AG of a March 2025 breach. Attackers gained access via phishing credentials and exploited a vulnerability. Data exposed included names, SSNs, DOBs, driver's licenses, and financial account info for ~1,000 individuals. School engaged forensic investigators, reset passwords, and offered credit monitoring.
Vermont clock✗ VT AG >45 bday13 months 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.
This filing is one of 4 about the same incident.View merged incident
Linked disclosures
Why this link?Regulatory filings (3) · sorted by filing gap
- bd_35caac8997e28789Indiana State AGfiled 2026-04-02Candidate
- bd_62b009643a9af6afNew Hampshire State AGfiled 2026-04-02Verified
- bd_7bb3f31eb5040dadIndiana State AGfiled 2026-04-02Candidate
Source provenance
- Source URL
- https://ago.vermont.gov/document/2026-04-02-washington-international-school-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- Apr 2, 2026
- Raw hash
- c4462d476ed2978c61c54ac7d2860e8a25b76c9d910d6cc51e433509beb5e3d6
Reporting entity
- Name
- Washington International Schoolnorm: washington international school
Victim entity
- Name
- Washington International Schoolnorm: washington international school
Incident
- Discovered
- Mar 19, 2025
- Materiality determined
- —
- Notification sent
- Apr 2, 2026
- Affected individuals
- 1,000
- Data types
- IDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNTCREDENTIALS
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
- Threat actor
- ExternalFinancial
- Regulator citations
- Notified Vermont Attorney General's Office
- Initial access
- phishing_link
Compliance
- Time to disclose
- 13 months(379 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.
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.