HackingHealthcareHealthcareStolen CredentialsCustomer Data InvolvedTargetedIdentity (basic)Government IDHealth (basic)PIIMediumContained

INOVA HEALTH SYSTEM FOUNDATION

bd_d56c1973c01efb29 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 5, 2018

Filed

Nov 2, 2018

To disclose

8 weeks

Affected

3state residents only

Linked

4 filings

Confidence

65%

Full breach record for INOVA HEALTH SYSTEM FOUNDATION →6 incidents on file

Inova Health System notified Montana residents of a breach where an unauthorized individual used stolen employee credentials to access patient billing records between Jan-Oct 2017. Data exposed included names, addresses, DOBs, MRNs, and SSNs. Inova engaged forensic investigators and law enforcement (HSI) and offered 1 year of credit monitoring.

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Incident timeline

undetected · 612 days

discovery → filing · 8 weeks / 58 days

Jan 1, 2017

Begins

Sep 5, 2018

Discovered

Nov 2, 2018

Filed

vs. sector median

4 wks faster

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

HHS OCRbd_0380536c186bdc002018-11-02Verified
New Hampshire State AGbd_88e3334d18c6b2b22018-11-05 · +3dVerified
HHS OCRbd_2cca5ea6620e85c32018-11-19 · +17dVerified

Name: INOVA HEALTH SYSTEM FOUNDATION
norm: inova health system

Name: INOVA HEALTH SYSTEM FOUNDATION
norm: inova health system
Industry: Healthcarellm

Discovered: Sep 5, 2018
Breach occurred: Jan 1, 2017 – Oct 31, 2017
Undetected for: 612 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 1, 2018
Affected individuals: 3state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PII
Data elements: Date of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified Homeland Security Investigations (HSI)Cooperating with Fairfax County Police Department
Initial access: valid_credentials

During the incident: Began an investigation
Engaged a leading forensic firm
Secured that account
Working closely with Homeland Security Investigations (HSI) and Fairfax County Police Department
Changes made: Enhancing our security processes
Put in place additional monitoring tools
Retraining employees about password security
Updated our policies regarding password complexity and limitations on transmission of information
Reviewing our policies and procedures
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(58 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 3 states

View merged incident ↗

HHS OCRNov 2 · first

Montana State AGNov 2 · first · this page

New Hampshire State AG+3d

HHS OCR+17d

Pattern: first filing Nov 2 (VA), last Nov 19 (VA) — a 17-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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/Inova-Health-System-Inova.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 2, 2018
Raw hash: 53c046606e8bc86513f081f878c301e70f9d0e38241547aeabd0dda693f6e2a8

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityINOVA HEALTH SYSTEM FOUNDATION

Victim entityINOVA HEALTH SYSTEM FOUNDATION

Incidentdiscovered Sep 5, 2018

Stated responseBegan an investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov