HackingHealthcareHealthcareStolen CredentialsSupply Chain (3P Vendor)Customer Data InvolvedPHIIdentity (basic)Government IDMediumContained

Intermountain Health

bd_e3a75470d2cc82bc · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 6, 2021

Filed

Jul 16, 2021

To disclose

14 weeks

Affected

9state residents only

Linked

6 filings

Confidence

64%

Full breach record for Intermountain Health →2 incidents on file

Intermountain Healthcare notified Montana residents of a data security incident involving its third-party vendor, Elekta. Unauthorized access to PHI occurred between April 6 and April 20, 2021. Data included names, scanned medical images, and potentially SSNs/DOB. No evidence of misuse found. Credit monitoring offered.

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Incident timeline

discovery → filing · 14 weeks / 101 days

Apr 6, 2021

Begins

Apr 6, 2021

Discovered

Jul 16, 2021

Filed

vs. sector median

+2 wks slower

This filing is one of 6 about the same incident.View merged incident

Part of Elekta supply-chain incident (2021) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Maine State AGbd_01260dd1d26fd5bc2021-07-16Verified
HHS OCRbd_11eb24756b8613402021-07-16Verified
Indiana State AGbd_89c2efc621ee4a4b2021-07-16Verified
Massachusetts State AGbd_be825a7c154f63382021-07-16Verified

Show 1 more filing ↓up to 6d gap

New Hampshire State AGbd_6aacb05a1c125d542021-07-22 · +6dVerified

Name: Intermountain Health
norm: intermountain health
Domain: intermountainhealthcare.org

Name: Intermountain Health
norm: intermountain health
Domain: intermountainhealthcare.org
Industry: Healthcarellm

Discovered: Apr 6, 2021
Breach occurred: Apr 6, 2021 – Apr 20, 2021
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 9state-resident count only
Data types: PHIIdentity (basic)Government ID
Data elements: Social Security numberDate of birth
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Third party: via Elekta
Initial access: valid_credentials

During the incident: Worked with Elekta to confirm nature and scope of data
Evaluated data received to identify affected individuals
Migrated Intermountain Healthcare users to a new-generation cloud system
Offering 12 months of complimentary credit monitoring and identity restoration services through Experian
Changes made: Reviewing existing policies and procedures as they pertain to third-party vendors
Evaluating additional measures and safeguards to better protect against this type of incident in the future
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.

Filing propagation · 6 filings · 6 states

View merged incident ↗

Maine State AGJul 16 · first

HHS OCRJul 16 · first

Indiana State AGJul 16 · first

Massachusetts State AGJul 16 · first

Montana State AGJul 16 · first · this page

New Hampshire State AG+6d

Pattern: first filing Jul 16 (ME), last Jul 22 (NH) — a 6-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/OCP/a-notif-97.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 16, 2021
Raw hash: 891f85122a29ad17512e97c7c43b3ab5c68f81acac40f6465b3fa56d0827d7e7

Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityIntermountain Health

Victim entityIntermountain Health

Incidentdiscovered Apr 6, 2021

Stated responseWorked with Elekta to confirm nature and scope of data

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov