HackingHealthcareHealthcareCustomer Data InvolvedDelayed DiscoveryPHIHealth (basic)Government IDIdentity (basic)Financial accountMediumContained

Oak Valley Hospital District

bd_a98113f6479d0070 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 18, 2023

Filed

Sep 15, 2023

To disclose

8 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

66%

Full breach record for Oak Valley Hospital District →

Oak Valley Hospital District experienced unauthorized access to its systems between April 21, 2023, and July 18, 2023. The incident was discovered on July 18, 2023. Affected data may include names, Social Security numbers, health insurance information, and care details. The organization engaged forensic investigators and is offering credit monitoring to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 88 days

discovery → filing · 8 weeks / 59 days

Apr 21, 2023

Begins

Jul 18, 2023

Discovered

Sep 15, 2023

Filed

vs. sector median

4 wks faster

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

HHS OCRbd_d01573e8b26a0e5b2023-09-15Verified

Name: Oak Valley Hospital District
norm: oak valley hospital district

Name: Oak Valley Hospital District
norm: oak valley hospital district
Industry: Healthcarellm

Discovered: Jul 18, 2023
Breach occurred: Apr 21, 2023 – Jul 18, 2023
Undetected for: 88 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PHIHealth (basic)Government IDIdentity (basic)Financial account
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Launched an investigation with the assistance of a professional forensics firm
Offering a complimentary membership to Experian IdentityWorks Credit 3B
Changes made: Strengthened the security of our systems
Continue enhancing our protocols to safeguard the information in our care
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(59 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

View merged incident ↗

HHS OCRSep 15 · first

California State AGSep 15 · 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://oag.ca.gov/ecrime/databreach/reports/sb24-573417
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 15, 2023
Raw hash: d11eb8f1020e8d462e098a965afd89608c94e7f33faaea0c72435ca8c64c798b

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityOak Valley Hospital District

Victim entityOak Valley Hospital District

Incidentdiscovered Jul 18, 2023

Stated responseLaunched an investigation with the assistance of a professional forensics firm

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov