Social EngineeringHealthcareHealthcarePhishingBECRansom DemandedData ExfiltratedCustomer Data InvolvedEmployee Data InvolvedPHIHealth (basic)Identity (basic)Government IDMediumContained

Monongalia Health System, Inc.

bd_43c3b28f773385bf · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 28, 2021

Filed

Dec 21, 2021

To disclose

21 weeks

Affected

2state residents only

Confidence

64%

Monongalia Health System, Inc. (Mon Health) notified patients and individuals of a phishing incident resulting in unauthorized access to email accounts. The incident, discovered in July 2021, involved a Business Email Compromise (BEC) attempt for fraudulent wire transfers. Access occurred between May 10 and August 15, 2021. PHI, including medical record numbers and potentially SSNs, may have been accessed. Mon Health engaged forensic investigators, notified law enforcement, and offered credit monitoring.

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Incident timeline

undetected · 79 days

discovery → filing · 21 weeks / 146 days

May 10, 2021

Begins

Jul 28, 2021

Discovered

Oct 29, 2021

Scope determined

Dec 21, 2021

Filed

vs. sector median

+8 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed2 affectedView incident

Name: Monongalia Health System, Inc.
norm: monongalia health system

Name: Monongalia Health System, Inc.
norm: monongalia health system
Industry: Healthcarellm

Discovered: Jul 28, 2021
Breach occurred: May 10, 2021 – Aug 15, 2021
Undetected for: 79 daysoccurrence → discovery
Materiality determined: Oct 29, 2021
Notification sent: —
Affected individuals: 2state-resident count only
Data types: PHIHealth (basic)Identity (basic)Government ID
Data elements: Date of birthMedical information
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified law enforcement
Initial access: phishing_link

During the incident: Secured the contractor’s email account and reset the password
Notified law enforcement
Engaged a third-party forensic firm to assist with the investigation
Secured the email accounts and reset their passwords
Offering a complimentary one-year membership to Experian’s IdentityWorks
Changes made: Enhancing existing security protocols and practices
Implementation of multi-factor authentication for remote access to our email system
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 21 weeks(146 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/Mon-Health-Consumer-Notification-Letter.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 21, 2021
Raw hash: 7641e5e4f8e951271ee0d830112a89ae97fd1bc4356994a824522aa123614645

Reporting entityMonongalia Health System, Inc.

Victim entityMonongalia Health System, Inc.

Incidentdiscovered Jul 28, 2021

Stated responseSecured the contractor’s email account and reset the password

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov