HackingEducationEducationCustomer Data InvolvedDelayed DiscoveryPIIIdentity (basic)Government IDMediumContained

Eastside Union School District

bd_8a89486d9690026d · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Mar 18, 2024

To disclose

—

Affected

Not disclosed

Linked

5 filings

Confidence

77%

Full breach record for Eastside Union School District →

Eastside Union School District experienced unauthorized access to systems on or around May 29, 2023. A data review completed January 11, 2024 confirmed exposure of names, dates of birth, and Social Security numbers. Notification letters dated March 18, 2024 were sent to affected individuals. Third-party specialists were engaged, systems were secured, and 12 months of credit monitoring through IdentityForce was offered.

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Leak gap clock✗ Leak >180d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline

May 23, 2023

Begins

Mar 18, 2024

Filed

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

A leak claim by karakurt about this victim predates this filing by 271 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitekarakurtbd_7dbec9526c02d09e2023-06-21 · +271dVerified by operator

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_fee4eb401e311d7b2024-03-18Verified
Maine State AGbd_baedc5ddb43e28492024-03-19 · +1dVerified
Massachusetts State AGbd_ee7e44415b55142c2024-03-19 · +1dVerified

Name: Eastside Union School District
norm: eastside union school district
Domain: eusd.org

Name: Eastside Union School District
norm: eastside union school district
Domain: eusd.org
Industry: Education
Industry: Educationllm

Discovered: —
Breach occurred: May 23, 2023 – Jun 6, 2023
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIIdentity (basic)Government ID
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Engaged third-party specialists to assist with understanding the nature and scope of the incident
Immediately took steps to secure our systems and undertook a thorough investigation
Providing access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge for 12 months
Providing proactive fraud assistance through Cyberscout through Identity Force, a TransUnion company
Changes made: Implemented additional technical safeguards to further enhance the security of information in our possession
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Indiana State AGMar 18 · first

California State AGMar 18 · first · this page

Maine State AG+1d

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://oag.ca.gov/ecrime/databreach/reports/sb24-582657
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 18, 2024
Raw hash: 66c7d754654b70a6e4c6e5180616ff672913545f532afef454d01fe31c75ced5

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityEastside Union School District

Victim entityEastside Union School District

IncidentUnauthorized Access

Stated responseEngaged third-party specialists to assist with understanding the nature and scope of the incident

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov