Monongalia Health System, Inc. Investigates and Responds to Data Security Incident

Monongalia Health System_ Inc. Investigates and Responds to Data Security Incident-01

Today, Monongalia Health System, Inc., and its affiliated hospitals, Monongalia County General Hospital Company, Stonewall Jackson Memorial Hospital Company and Preston Memorial Hospital Corporation (collectively, “Mon Health”), announced that it recently investigated and responded to a data security incident, and is now notifying individuals whose information may have been involved.

On December 30, 2021, Mon Health determined that a data security incident resulted in unauthorized access to information pertaining to Mon Health patients, providers, employees, and contractors. Mon Health first learned of the incident on December 18, 2021, when it was alerted to unusual activity in its IT network which disrupted the operations of some of Mon Health’s IT systems. Upon learning of this, to protect its patients and secure its systems, Mon Health immediately took a significant portion of its IT network and systems offline and initiated downtime procedures. Mon Health also conducted an enterprise wide-password reset, implemented network hardening measures, notified law enforcement, and launched a comprehensive investigation, with the assistance of a third-party forensic firm.

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Mon Health’s investigation confirmed that this incident did not involve unauthorized access to Mon Health’s electronic health records systems. Through the investigation, Mon Health determined that unauthorized parties accessed its IT network between December 8, 2021 and December 19, 2021. Mon Health’s investigation cannot rule out the possibility that, while in its IT network, the unauthorized parties may have accessed files on IT systems that contain patient, provider, employee, and contractor information. This information may have included the following information relating to patients and members of Mon Health’s employee health plan: names, addresses, Social Security numbers, Medicare Health Insurance Claim Numbers (which could contain Social Security numbers), dates of birth, patient account numbers, health insurance plan member ID numbers, medical record numbers, dates of service, provider names, claims information, medical and clinical treatment information and/or status as a current or former Mon Health patient or member of Mon Health’s employee health plan.

Beginning on February 28, 2022, Mon Health will mail notice letters to patients whose information may have been involved in this incident. Mon Health has also established a dedicated, toll-free call center to help answer questions from individuals whose information may have been involved in this incident. Additional information is available at or by calling Mon Health’s dedicated, toll-free incident response line at 855-568-2163, Monday through Friday, between 9:00am to 6:30pm, Eastern Time.

Mon Health recommends that patients remain vigilant by reviewing their financial account statements for any unauthorized activity. If patients identify charges or activity they did not authorize, they should contact their financial institution immediately. Additionally, Mon Health encourages patients to review the statements they receive from their healthcare providers and health insurance plans. If patients see any services that were not received, they should contact the relevant provider or health plan immediately.

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