HackingHealthcareHealthcareCustomer Data InvolvedDelayed DiscoveryIdentity (basic)PHIHealth (basic)LowContained

Native American Health Center

bd_afc04eac2fa6b588 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 19, 2023

Filed

Jun 3, 2024

To disclose

28 weeks

Affected

Not disclosed

Linked

2 filings

Confidence

64%

Full breach record for Native American Health Center →3 incidents on file

Native American Health Center (NAHC) notified individuals of a data security incident where unauthorized access occurred between November 1 and November 19, 2023. NAHC discovered the incident on November 19, 2023, and immediately disconnected network access. A forensic investigation concluded in January 2024 that files were accessed by an unauthorized actor. Affected data includes names, dates of birth, and medical information (PHI). Social Security numbers were not impacted. NAHC replaced hard drives, enhanced MFA, and offered 12 months of credit monitoring.

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California clockDiscovered Nov 19, 2023 → Notified Jun 3, 2024197d ✗ CA 60-day late28 weeks discovery → filing

Incident timeline

undetected · 18 days

discovery → filing · 28 weeks / 197 days

Nov 1, 2023

Begins

Nov 19, 2023

Discovered

Jun 3, 2024

Filed

vs. sector median

+16 wks slower

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

New Hampshire State AGbd_379cba7aedb45b2d2024-06-07 · +4dVerified

Name: Native American Health Center
norm: native american health center

Name: Native American Health Center
norm: native american health center
Industry: Healthcarellm

Discovered: Nov 19, 2023
Breach occurred: Nov 1, 2023 – Nov 19, 2023
Undetected for: 18 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 3, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)PHIHealth (basic)
Attack vector: Unknown
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External

During the incident: Disconnected all access to the network
Engaged a specialized third-party cybersecurity firm to assist with securing the environment
Conducted a comprehensive forensic investigation to determine the nature and scope of the incident
Implemented a comprehensive measure to replace all hard drives in every workstation to enhance overall security
Continued the use of multifactor authentications for all logins
Extended the deployment of a multifactor authentication system that will replace the use of passwords with the scan of a fingerprint or tap of a badge
Upheld restricted access to all IT department offices and server rooms for heightened physical activity
Maintained the practice of restricted access and ongoing monitoring for buildings and sites equipped with key card access
Provided access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge for twelve months
Provided proactive fraud assistance through Cyberscout
Changes made: Conduct ongoing annual reviews of policies, procedures, employee training programs that cover cybersecurity, HIPAA compliance and privacy
Continue annual HIPAA privacy and security risk assessments
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 weeks(197 days from discovery to filing)
Compliance flags: CA 60-day late · 197d
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.
Clock breakdown: Statute Window Elapsed Threshold Status
California
Discovered: Nov 19, 2023
→ Notified: Jun 3, 2024
197d 60 days (analyst band, pre-2026 discoveries) CA 60-day late

Statute	Window	Elapsed	Threshold	Status
California	Discovered: Nov 19, 2023 → Notified: Jun 3, 2024	197d	60 days (analyst band, pre-2026 discoveries)	CA 60-day late

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

California State AGJun 3 · first · this page

New Hampshire State AG+4d

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/sb24-586282
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 3, 2024
Raw hash: 6432c5845099fb93002f5d741b9e36968f1b223998a9fce0eed23dde628a1ccc

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityNative American Health Center

Victim entityNative American Health Center

Incidentdiscovered Nov 19, 2023

Stated responseDisconnected all access to the network

ComplianceCA 60-day late

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov