Social EngineeringHealthcareHealthcarePhishingStolen CredentialsMulti-Stage ChainCustomer Data InvolvedEmployee Data InvolvedPIIIdentity (basic)PHIHealth (basic)LowContained

OVERLAKE MEDICAL CENTER & CLINICS

bd_21978de6822b001b · schema v1 · pii pii-v1

Severity

Low

Discovered

Dec 9, 2019

Filed

Feb 7, 2020

To disclose

9 weeks

Affected

109state residents only

Linked

5 filings

Confidence

65%

Full breach record for OVERLAKE MEDICAL CENTER & CLINICS →2 incidents on file

Overlake Medical Center & Clinics notified Montana AG of a phishing incident where attackers stole credentials for one email account on Dec 6, 2019. Attackers accessed the account through Dec 9, 2019, potentially exposing patient PII and PHI. Overlake secured accounts, reset passwords, and implemented MFA.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 3 days

discovery → filing · 9 weeks / 60 days

Dec 6, 2019

Begins

Dec 9, 2019

Discovered

Feb 7, 2020

Filed

vs. sector median

4 wks faster

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

HHS OCRbd_10ffcc7ae52ef6772020-02-07Verified
California State AGbd_275afc788816b9c62020-02-07Verified
Oregon State AGbd_69c1780df1b141992020-02-07Verified
Illinois State AGbd_7b73dfeed69ec4372020-01-01 · +37dCandidate

Name: OVERLAKE MEDICAL CENTER & CLINICS
norm: overlake medical center clinics

Name: OVERLAKE MEDICAL CENTER & CLINICS
norm: overlake medical center clinics
Industry: Healthcarellm

Discovered: Dec 9, 2019
Breach occurred: Dec 6, 2019 – Dec 9, 2019
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Feb 4, 2020
Affected individuals: 109state-resident count only
Data types: PIIIdentity (basic)PHIHealth (basic)
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Initial access: phishing_link

During the incident: Secured the accounts
Began an investigation
Resetting passwords for all compromised employee accounts
Enhancing the already mandatory education for employees
Enhancing the technology in use to identify and block suspicious external emails
Implementing multi-factor authentication
Changes made: Implementing multi-factor authentication
Enhancing employee education to recognize and avoid phishing emails
Enhancing technology to identify and block suspicious external emails
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(60 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Illinois State AGJan 1 · first

HHS OCR+37d

California State AG+37d

Oregon State AG+37d

Montana State AG+37d · this page

Pattern: first filing Jan 1 (IL), last Feb 7 (MT) — a 37-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/General-Notice-52.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Feb 7, 2020
Raw hash: e6460f4269be2c258aec69f074a3aaf6bcaa5a14320b78e1d1ef9d0099550f1c

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityOVERLAKE MEDICAL CENTER & CLINICS

Victim entityOVERLAKE MEDICAL CENTER & CLINICS

Incidentdiscovered Dec 9, 2019

Stated responseSecured the accounts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov