MisuseGovernmentGovernmentData MishandlingEmployee Data InvolvedCustomer Data InvolvedDelayed DiscoveryPIIGovernment IDMediumResolved

East Bay Regional Park District

bd_734b3b173e0275d3 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Dec 10, 2025

To disclose

—

Affected

Not disclosed

Confidence

78%

Full breach record for East Bay Regional Park District →

East Bay Regional Park District experienced an insider data incident on September 18, 2025, when an employee emailed an attachment containing personal information (names and Social Security Numbers) to their personal email account. After investigation and manual review, the Park District determined on November 12, 2025 that unauthorized access to the data could not be ruled out. Affected individuals were offered complimentary identity monitoring through Kroll.

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Incident timeline

Sep 18, 2025

Begins

Nov 12, 2025

Scope determined

Dec 10, 2025

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: East Bay Regional Park District
norm: east bay regional park district

Name: East Bay Regional Park District
norm: east bay regional park district
Industry: Governmentllm

Discovered: —
Breach occurred: Sep 18, 2025
Materiality determined: Nov 12, 2025
Notification sent: —
Affected individuals: Not disclosed
Data types: PIIGovernment ID
Attack vector: Insider
Threat actor: Internal
Regulator citations: Notified California Attorney General
Initial access: insider_action

During the incident: Commenced a prompt and thorough investigation
Worked very closely with external legal counsel experienced in handling these types of incidents
Conducted interviews with the involved parties and manual review of the email/attachment
Set up a dedicated and confidential toll-free response line to respond to questions
Changes made: Continually evaluates and modifies its practices and internal controls to enhance the security and privacy of personal information
Offering a complimentary month membership of identity monitoring through Kroll, including Credit Monitoring, Fraud Consultation, and Identity Theft Restoration
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/sb24-615558
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 10, 2025
Raw hash: 01784050f7af972619c9c0b635df59eb2f5682bd0fc62c99f9ff7318dcb527c1

Reporting entityEast Bay Regional Park District

Victim entityEast Bay Regional Park District

IncidentInsider

Stated responseCommenced a prompt and thorough investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov