Nephrology Associates, P.C.

Summary

Nephrology Associates, P.C., a kidney care practice in the greater Bridgeport, Connecticut area, disclosed a ransomware incident involving unauthorized access to a server holding patient and employee data. The breach did not affect its electronic health record system. Exposed information included names, Social Security numbers, government identification numbers, medical and health insurance details, and payment data. The practice reported the matter to state regulators, posted a website notice, and began written consumer notifications. Affected individuals receive complimentary identity protection services for 24 months and can contact a dedicated call center.

Motives

Detailed motive labels are available to members.

TTPs

Detailed technique labels are available to members.

Description

Nephrology Associates, P.C., a specialty medical practice providing kidney care in the greater Bridgeport, Connecticut area, disclosed a data breach involving a ransomware attack that occurred on September 8, 2026. On that same day, the company experienced unauthorized access to a server containing patient and employee information and discovered the breach. The ransomware incident involved files stored on the affected server being accessible to an unauthorized party. The company stated that the incident did not affect its electronic health record system. Nephrology Associates engaged independent cybersecurity forensic experts to investigate the incident. The investigation determined that the files stored on the affected server were accessible to the unauthorized party. The types of information that may have been exposed include names, Social Security numbers, and other government-issued identification numbers. Health and medical information was also among the potentially exposed data. Health insurance information, such as Medicare identification numbers, Medicaid identification numbers, and private insurance identification numbers, may have been compromised. Other payment information was also included in the scope of potentially exposed data.

Nephrology Associates reported the incident to the Massachusetts Office of Consumer Affairs and Business Regulation on November 10, 2026. The company posted a notice on its website following the incident. Affected consumers began receiving written notice on November 6, 2026. In response to the breach, Nephrology Associates is offering complimentary access to Experian IdentityWorks for 24 months. Enrollment for this service must be completed by February 28, 2027. For questions about the incident or assistance with identity restoration, affected individuals can contact Nephrology Associates' dedicated and confidential call center at 1-833-918-5105. The call center is available Monday through Friday from 9 a.m. to 9 p.m. Eastern Time, excluding major U.S. holidays. The response line will remain available for 90 days from the date of the notification letter.

Sources

Sources available to members: 1 source.