HackingGovernmentGovernmentStolen CredentialsData ExfiltratedTargetedIdentity (basic)Health (basic)LowActive

Livermore Amador Valley Transit Authority

bd_37b505c8f230b840 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 30, 2023

Filed

Nov 30, 2023

To disclose

26 weeks

Affected

2state residents only

Linked

2 filings

Confidence

65%

Full breach record for Livermore Amador Valley Transit Authority →

Livermore Amador Valley Transit Authority notified individuals of unauthorized access to systems between April 29 and May 30, 2023. Data included names, addresses, DOBs, and medical info. Investigation ongoing.

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Incident timeline

undetected · 31 days

discovery → filing · 26 weeks / 184 days

Apr 29, 2023

Begins

May 30, 2023

Discovered

Nov 30, 2023

Filed

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

California State AGbd_014cbcd10a7440182023-11-30Candidate

Name: Livermore Amador Valley Transit Authority
norm: livermore amador valley transit authority

Name: Livermore Amador Valley Transit Authority
norm: livermore amador valley transit authority
Industry: Governmentllm

Discovered: May 30, 2023
Breach occurred: Apr 29, 2023 – May 30, 2023
Undetected for: 31 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 2state-resident count only
Data types: Identity (basic)Health (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Initial access: valid_credentials

During the incident: Moved quickly to secure the systems
Investigate the incident
Review the contents of relevant files for sensitive information
Notify impacted individuals
Conducting additional workforce training
Changes made: Reviewing our policies, procedures, and processes related to the storage of, and access to, personal information
Conducting additional workforce training to reduce the likelihood of a similar future incident
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 weeks(184 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

California State AGNov 30 · first

Montana State AGNov 30 · first · this page

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-899.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 30, 2023
Raw hash: 6a34105d8e2200981f2ef54e9a49872fee0dc1aa6f09445dbf5f58881b00751f

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityLivermore Amador Valley Transit Authority

Victim entityLivermore Amador Valley Transit Authority

Incidentdiscovered May 30, 2023

Stated responseMoved quickly to secure the systems

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov