Social EngineeringHealthcareHealthcarePhishingStolen CredentialsCustomer Data InvolvedEmployee Data InvolvedMulti-Stage ChainIdentity (basic)Government IDHealth (basic)PHICriticalContained

Kalispell Regional Healthcare

bd_076eef4ac8d1e754 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Aug 28, 2019

Filed

Oct 22, 2019

To disclose

8 weeks

Affected

126,805state residents only

Linked

4 filings

Confidence

66%

Full breach record for Kalispell Regional Healthcare →2 incidents on file

Kalispell Regional Healthcare (KRH) notified patients and employees of a phishing incident in August 2019. Malicious actors obtained employee credentials via spearphishing starting May 24, 2019. KRH disabled accounts, notified law enforcement, and engaged forensic investigators. Affected data included names, SSNs, DOBs, medical records, and PHI. KRH offered 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 96 days

discovery → filing · 8 weeks / 55 days

May 24, 2019

Begins

Aug 28, 2019

Discovered

Oct 22, 2019

Filed

vs. sector median

5 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

California State AGbd_2717fcf077c73d3c2019-10-22Verified
Oregon State AGbd_7d4df9d12ba4f12e2019-10-22Verified
HHS OCRbd_fe4dd50fed20a7a02019-10-22Verified

Name: Kalispell
norm: kalispell
Domain: discoverkalispell.com

Name: Kalispell Regional Healthcare
norm: kalispell regional healthcare
Industry: Healthcarellm

Discovered: Aug 28, 2019
Breach occurred: May 24, 2019
Undetected for: 96 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 126,805state-resident count only
Data types: Identity (basic)Government IDHealth (basic)PHI
Data elements: Social Security numberDate of birthMedical information
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Notified federal law enforcement
Initial access: phishing_link

During the incident: Disabled their accounts
Notified federal law enforcement
Launched an investigation, which was performed by a nationally-recognized digital forensics firm
Offering you twelve (12) months of identity and credit monitoring services at no charge
Changes made: Taken further steps to revise procedures that will minimize the risk of a similar event from happening again
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(55 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 ↗

California State AGOct 22 · first

Oregon State AGOct 22 · first

HHS OCROct 22 · first

Montana State AGOct 22 · first · this page

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/KRH-Consumer-Notification-Letter.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 22, 2019
Raw hash: a67ddb14a9a849e44dbf17d08d4ee7604a1edd1eeed3a13c0700e7c04abed5e5

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityKalispell

Victim entityKalispell Regional Healthcare

Incidentdiscovered Aug 28, 2019

Stated responseDisabled their accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov