Social EngineeringHealthcareHealthcarePhishingBECData ExfiltratedCustomer Data InvolvedRansom DemandedIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

Monongalia Health System, Inc.

bd_497fcc4b640582da · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 28, 2021

Filed

Dec 21, 2021

To disclose

21 weeks

Affected · nationwide

5012 in this filing

Linked

3 filings

Confidence

66%

Full breach record for Monongalia Health System, Inc. →4 incidents on file

Monongalia Health System, Inc. notified the New Hampshire Attorney General of a phishing incident involving unauthorized access to email accounts between May 10 and August 15, 2021. The attack, discovered in July 2021, was a Business Email Compromise (BEC) scheme attempting fraudulent wire transfers. Patient data (names, MRNs, SSNs, health info) may have been accessed. Approximately 50 individuals were affected, including 12 NH residents. Mon Health secured accounts, notified law enforcement, engaged forensic investigators, 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

Dec 21, 2021

Filed

vs. sector median

+8 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

HHS OCRbd_181d983b913940232021-12-21Verified
Massachusetts State AGbd_c63373e5df886dd82021-12-21Verified

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: —
Notification sent: Dec 21, 2021
Affected individuals: 50state + nationwide
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: Social Security numberDate of birthMedical information
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing LinkT1078 Valid AccountsT1114 Email Collection
Threat actor: ExternalFinancial
Regulator citations: Notified New Hampshire Attorney General
Initial access: phishing_link

During the incident: Secured the Mon Health email account
Notified law enforcement
Launched an investigation with the assistance of a third-party forensic firm
Reset the password
Offered individuals whose Social Security numbers or Medicare Health Insurance Claim Numbers may have been involved complimentary one-year memberships to credit and identity monitoring services through Experian
Established a dedicated, toll-free incident response line
Changes made: Continuing to review and enhance its existing security protocols and practices
Implementation of multi-factor authentication for remote access to its 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.

Filing propagation · 3 filings · 3 states

View merged incident ↗

HHS OCRDec 21 · first

Massachusetts State AGDec 21 · first

New Hampshire State AGDec 21 · 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://mm.nh.gov/files/uploads/doj/remote-docs/monongalia-health-system-20211221.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: 10241a33968abce827367bba97f9da0e3463a6e549c291ea08034f93f53b5e52

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityMonongalia Health System, Inc.

Victim entityMonongalia Health System, Inc.

Incidentdiscovered Jul 28, 2021

Stated responseSecured the Mon Health email account

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov