MalwareHealthcareHealthcareInfostealerData ExfiltratedTargetedDelayed DiscoveryIdentity (basic)Government IDHealth (basic)Financial accountCredentialsMediumContained

OH Muhlenberg, LLC

bd_667d2d79b9fa83bc · schema v1 · pii pii-v1

Severity

Medium

Discovered

Sep 16, 2015

Filed

Nov 13, 2015

To disclose

8 weeks

Affected

17state residents only

Linked

3 filings

Confidence

66%

OH Muhlenberg, LLC notified patients, employees, and next of kin of a security incident involving a keystroke logger infection on hospital computers. The infection, potentially active since January 2012, was detected on September 16, 2015, after FBI notification. Affected data included names, SSNs, driver's licenses, health information, financial account numbers, and payment card details. The company engaged forensic investigators, blocked unauthorized IPs, disabled malware, and offered credit monitoring.

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Incident timeline

undetected · 1354 days

discovery → filing · 8 weeks / 58 days

Jan 1, 2012

Begins

Sep 16, 2015

Discovered

Nov 13, 2015

Filed

vs. sector median

4 wks faster

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_4e95d44fb1c81ef62015-11-13Verified
Massachusetts State AGbd_8bd7d343673446462015-11-16 · +3dVerified

Name: OH Muhlenberg, LLC
norm: oh muhlenberg
Domain: muhlenberg.edu

Name: OH Muhlenberg, LLC
norm: oh muhlenberg
Domain: muhlenberg.edu
Industry: Healthcarellm

Discovered: Sep 16, 2015
Breach occurred: Jan 1, 2012
Undetected for: 1,354 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 14, 2015
Affected individuals: 17state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial accountCredentials
Data elements: Social Security numberDate of birthMedical information
Attack vector: Unauthorized Access
MITRE ATT&CK: T1056 Input CaptureT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: working with the FBI during its investigation
Initial access: external_remote_services

During the incident: Initiating an internal investigation
Engaged a leading forensic IT firm to investigate this matter
Immediately blocking the external unauthorized IP addresses
Taking steps to disable the malware
Enhance the security of its systems
Working with the FBI during its investigation
Offering you a complimentary one-year membership in Experian’s® ProtectMyID® Alert
Changes made: Continues to enhance the security of its systems
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(58 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 OCRNov 13 · first

Montana State AGNov 13 · first · this page

Massachusetts State AG+3d

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/OH-Muhlenberg-LLC.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 13, 2015
Raw hash: 97e4721af80bebcef7b9b718f7c4847e2d534a2964fde4da01dca2783fc4b31e

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityOH Muhlenberg, LLC

Victim entityOH Muhlenberg, LLC

Incidentdiscovered Sep 16, 2015

Stated responseInitiating an internal investigation

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov