PhysicalHealthcareHealthcareTheftCustomer Data InvolvedPHIHealth (basic)Identity (basic)LowContained

Southern Mono Healthcare District d/b/a Mammoth Hospital

bd_3994d4c0e5790f61 · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 8, 2020

Filed

Sep 24, 2020

To disclose

16 days

Affected

Not disclosed

Confidence

66%

Full breach record for Southern Mono Healthcare District d/b/a Mammoth Hospital →

Southern Mono Healthcare District d/b/a Mammoth Hospital reported the theft of a staff member's laptop from a vehicle on September 5, 2020. The hospital was notified on September 8, 2020. The laptop contained protected health information (PHI) including patient names, department locations, and dates of service. It was unclear if the hard drive was encrypted. The hospital investigated and implemented process changes.

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Incident timeline

undetected · 3 days

discovery → filing · 16 days

Sep 5, 2020

Begins

Sep 8, 2020

Discovered

Sep 24, 2020

Filed

vs. sector median

9 wks faster

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

Name: Southern Mono Healthcare District d/b/a Mammoth Hospital
norm: southern mono healthcare district d b a mammoth hospital
Domain: mammothhospital.com

Name: Southern Mono Healthcare District d/b/a Mammoth Hospital
norm: southern mono healthcare district d b a mammoth hospital
Domain: mammothhospital.com
Also named: Southern Mono Healthcare Districtdba oflegal entity
Mammoth Hospitaldba oftrade name
Industry: Healthcarellm

Discovered: Sep 8, 2020
Breach occurred: Sep 5, 2020
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: PHIHealth (basic)Identity (basic)
Attack vector: Unknown
MITRE ATT&CK: T1052 Exfiltration Over Physical Medium
Threat actor: External
Regulator citations: Reported to the California Department of Public Health

During the incident: Investigated this incident
Reviewed the processes that caused the incident
Made appropriate changes where necessary to mitigate the possibility of a future similar occurrence
Reported to the California Department of Public Health
Changes made: Made appropriate changes where necessary to mitigate the possibility of a future similar occurrence
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 days(16 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://oag.ca.gov/ecrime/databreach/reports/sb24-194471
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 24, 2020
Raw hash: 4c7d79d1ac327a41093b682b90ca98ac83f8dcceb7a114369deba5a30d5f9226

Reporting entitySouthern Mono Healthcare District d/b/a Mammoth Hospital

Victim entitySouthern Mono Healthcare District d/b/a Mammoth Hospital

Incidentdiscovered Sep 8, 2020

Stated responseInvestigated this incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov