May 26, 2024

Health Benefit

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Health Data Analytics Firm Reports 1.1-Million Record MSP Data Breach

2 min read

A Portland, ME-based accounting and consulting firm has recently reported a data breach to the Maine Attorney General that involved the personal information of 1,107,354 individuals. Berry, Dunn, McNeil & Parker, LLC (BerryDunn) provides health data analytics services to healthcare providers, health insurers, and government regulatory and healthcare policy agencies and its clients provide BerryDunn with personal and health data to allow the firm to perform its contracted services.

BerryDunn’s Health Analytics Practice Group (HAPG) contracted with a managed service provider (MSP) called Reliable Networks of Maine, LLC (RMN), which manages systems on behalf of HAPG. On September 14, 2023, RMN notified HAPG that it had identified suspicious activity on its network, including in the systems it manages for HAPG. BerryDunn immediately initiated its incident response protocols and brought in third-party cybersecurity experts to investigate to determine the extent to which client data was involved.

The investigation confirmed that a threat actor gained access to the RMN network and used the vendor’s privileged access to steal data from the HAPG systems the MSP managed. A vendor was engaged to conduct a review of the affected files, and that process was completed on April 2, 2024. The information exposed or stolen in the incident included names, addresses, dates of birth, Social Security numbers, health insurance policy numbers, Medicare or Medicaid numbers, state or governmental ID numbers, passport numbers, and medical information. Notification letters were mailed to the affected individuals on April 25, 2024, and complimentary credit monitoring and identity theft protection services have been offered to the affected individuals. Those services include a $1 million identity theft reimbursement policy.

It is unclear how many of BerryDunn clients have been affected. BerryDunn has confirmed that it has decommissioned all systems under the control of RMN, migrated all HAPG data to secure internal BerryDunn servers, and said those servers are continuously monitored for unauthorized access under its cybersecurity program.

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