MisuseGovernmentGovernmentKnowledge AbuseEmployee Data InvolvedPIIIdentity (basic)LowContained

City of San Dimas, California

bd_a6eb7a2e099251da · schema v1 · pii pii-v1

Severity

Low

Discovered

May 26, 2023

Filed

Jul 10, 2023

To disclose

6 weeks

Affected

1state residents only

Confidence

65%

Full breach record for City of San Dimas, California →

The City of San Dimas notified individuals of a data security incident where files containing personal information were found on a device belonging to a former employee. The City discovered the incident on May 26, 2023, and sent notifications on July 10, 2023. No evidence of misuse was found. Complimentary credit monitoring was offered.

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Incident timeline

discovery → filing · 6 weeks / 45 days

May 26, 2023

Discovered

Jul 10, 2023

Filed

vs. sector median

4 wks faster

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed1 affectedView incident

Name: City of San Dimas, California
norm: city of san dimas california

Name: City of San Dimas, California
norm: city of san dimas california
Industry: Governmentllm

Discovered: May 26, 2023
Materiality determined: —
Notification sent: Jul 10, 2023
Affected individuals: 1state-resident count only
Data types: PIIIdentity (basic)
Attack vector: Insider
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: Internal
Initial access: insider_action

During the incident: Commenced an investigation to evaluate the contents of the files
Offering you complimentary credit monitoring and identity protection services
Offering you the opportunity to enroll in complimentary identity protection services through IDX, a ZeroFox Company
Changes made: Taking, and continue to take, steps to protect against a similar incident from occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(45 days from discovery to filing)
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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-413.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 10, 2023
Raw hash: e6faa3f99b50c0496c2c2279acae74fb66c68e162031403d3984e1be5801f6d6

Reporting entityCity of San Dimas, California

Victim entityCity of San Dimas, California

Incidentdiscovered May 26, 2023

Stated responseCommenced an investigation to evaluate the contents of the files

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov