HackingEducationEducationTargetedPIIIdentity (basic)Government IDMediumContained

El Dorado Union High School District

bd_255eae217483d65f · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 18, 2024

Filed

Nov 14, 2024

To disclose

21 weeks

Affected

Not disclosed

Linked

7 filings

Confidence

66%

Full breach record for El Dorado Union High School District →

El Dorado Union High School District notified consumers of unauthorized access to its network between May 25 and June 18, 2024. Suspicious activity was detected on June 18, 2024. The incident may have exposed PII, including names and government identifiers. The District engaged third-party specialists, secured systems, and offers credit monitoring services.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday21 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 · 24 days

discovery → filing · 21 weeks / 149 days

May 25, 2024

Begins

Jun 18, 2024

Discovered

Nov 14, 2024

Filed

vs. sector median

+13 wks slower

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Montana State AGbd_0d1c0e7efd7dc17e2024-11-14Candidate
New Hampshire State AGbd_583471004e661c5a2024-11-14Verified
Indiana State AGbd_5dfbd0c4db6c25372024-11-14Verified
California State AGbd_880a8376cfbf2cda2024-11-14Verified

Show 2 more filings ↓up to 1d gap

Maine State AGbd_f31137cf90d2d1462024-11-14Verified
Massachusetts State AGbd_1be7418fb52122e72024-11-15 · +1dVerified

Name: El Dorado Union High School District
norm: el dorado union high school district
Domain: eduhsd.k12.ca.us

Name: El Dorado Union High School District
norm: el dorado union high school district
Domain: eduhsd.k12.ca.us
Industry: Educationllm

Discovered: Jun 18, 2024
Breach occurred: May 25, 2024 – Jun 18, 2024
Undetected for: 24 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 14, 2024
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: External
Initial access: exploit_public_facing

During the incident: Took steps to secure its systems
Launched an investigation, with the assistance of third-party specialists
Undertook a comprehensive review of the data at risk
Offering you access to complimentary credit monitoring and identity restoration services through Equifax
Changes made: Reviewing our policies, and procedures related to data privacy and security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(149 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 · 7 filings · 7 states

View merged incident ↗

Montana State AGNov 14 · first

New Hampshire State AGNov 14 · first

Indiana State AGNov 14 · first

California State AGNov 14 · first

Maine State AGNov 14 · first

Vermont State AGNov 14 · first · this page

Massachusetts State AG+1d

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/2024-11-14-el-dorado-union-high-school-district-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 14, 2024
Raw hash: 6a679761686bd3e9f1d99aa47e647ebc91b8595b7f314ce0da511b4b6203f27d

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityEl Dorado Union High School District

Victim entityEl Dorado Union High School District

Incidentdiscovered Jun 18, 2024

Stated responseTook steps to secure its systems

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov