HackingHealthcareProfessional ServicesHealthcareStolen CredentialsTargetedIdentity (basic)Government IDFinancialMediumResolved

Envision Healthcare Corporation

bd_0ce513406d0b7dda · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 1, 2018

Filed

Oct 10, 2018

To disclose

14 weeks

Affected

16state residents only

Confidence

64%

Envision Healthcare Corporation notified providers and applicants that unauthorized third-party access to email accounts occurred in July 2018. The incident potentially exposed names, dates of birth, SSNs, driver's license numbers, and financial information. Envision hired forensic investigators and offered one year of credit monitoring.

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Incident timeline

discovery → filing · 14 weeks / 101 days

Jul 1, 2018

Begins

Jul 1, 2018

Discovered

Oct 10, 2018

Filed

vs. sector median

+2 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed16 affectedView incident

Name: Envision Healthcare Corporation
norm: envision healthcare
Domain: envisionledlighting.com

Name: Envision Healthcare Corporation
norm: envision healthcare
Domain: envisionledlighting.com
Industry: HealthcarellmProfessional Servicesllm

Discovered: Jul 1, 2018
Breach occurred: Jul 1, 2018 – Jul 31, 2018
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 9, 2018
Affected individuals: 16state-resident count only
Data types: Identity (basic)Government IDFinancial
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Hired a leading forensic firm to assist us
Offering you a free one-year membership to Experian IdentityWorksSM Credit 3B
Changes made: Evaluating the implementation of multi-factor authentication
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 14 weeks(101 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/Envision.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 10, 2018
Raw hash: 53690ac261cd809287385a99f2d415f20ff71fefe68b888146a4671716c63fc4

Reporting entityEnvision Healthcare Corporation

Victim entityEnvision Healthcare Corporation

Incidentdiscovered Jul 1, 2018

Stated responseHired a leading forensic firm to assist us

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov