Naper Grove Vision Care Falls Victim to Interlock Ransomware Attack
Naper Grove Vision Care in Naperville, Illinois, has recently announced a cybersecurity incident that was detected on May 24, 2025. Independent cybersecurity experts were engaged to investigate unusual network activity and confirmed that an unauthorized third party accessed its network and exfiltrated files containing patient information. The file review revealed the stolen files contained names, addresses, birth dates, driver’s license numbers, patient numbers, health insurance information, explanation of benefits documents, and medical condition and treatment information. A limited number of patients also had their Social Security numbers stolen. Naper Grove Vision Care has advised the affected patients to monitor their account statements and credit reports closely and report any suspicious activity to law enforcement. There is no mention of complimentary credit monitoring services in the substitute data breach notice. The data breach was reported to the HHS’ Office for Civil Rights using an interim figure of 501 affected individuals, which has since been updated to 20,093...
Business Associate Data Breach Affects Duke Regional Hospital Patients
A law firm that provides legal counsel and assistance to Durham County Hospital Corporation in North Carolina has experienced a data breach involving the personal and protected health information of 2,150 individuals. Manning, Fulton & Skinner, P.A. (MFS), identified suspicious activity within its email system on February 6, 2025. An investigation was launched to determine the cause of the activity, and it was confirmed that certain MFS email accounts had been accessed by an unauthorized individual between September 19, 2024, and February 6, 2025. Third-party data review specialists were engaged to review the affected accounts and completed the review on May 14, 2025. Durham County Hospital Corporation was notified about the data breach on May 29, 2025, and provided MFS with the necessary information for mailing notifications on July 14, 2025. The law firm has implemented additional email security measures and has offered the affected individuals 12 months of complimentary credit monitoring and identity theft protection services. The Brien Center for Mental Health and Substance...
Small Michigan Physical Therapy Practice Reports Loss of Patient Data Due to Cyberattack
Complete Care Rehab, a small physical therapy practice in East Pointe, Michigan, has been targeted by cybercriminals who gained access to its network and potentially viewed or acquired patient information. Suspicious activity was identified within its IT environment on or around May 11, 2025. Third-party cybersecurity experts were engaged to investigate the activity, and the forensic investigation confirmed that patient data was exposed and potentially stolen, including names, phone numbers, addresses, email addresses, dates of birth, diagnoses, treatment information, dates of service, and health insurance information may have been compromised. For a limited number of patients, Social Security numbers were also involved. It is unclear from the substitute data breach notice whether ransomware was used in the attack. Data had to be restored from backups, but the restoration process failed, and all patient information was lost. Since it was not possible to determine exactly which patients were affected, the decision was taken to send notification letters to all 4,764 current and...
Feds Issue Interlock Ransomware Warning as Healthcare Attacks Spike
The U.S. Cybersecurity and Infrastructure Security Agency (CISA), Federal Bureau of Investigation (FBI), Department of Health and Human Services (HHS), and the Multi-State Information Sharing and Analysis Center (MS-ISAC) have issued a joint alert about the Interlock ransomware group, which has accelerated attacks on businesses and critical infrastructure organizations. The alert shares the latest tactics, techniques, and procedures (TTPs) and indicators of compromise (IoCs) collected from investigations of the group’s ransomware attacks in June 2025. Interlock is a ransomware-as-a-service operation that first emerged in September 2024. The group has attacked entities in multiple sectors but appears to favor organizations in the healthcare and public health (HPH) sector. Healthcare victims include the kidney dialysis giant DaVita, Texas Tech University Health Sciences Center, Kettering Health, Drug and Alcohol Treatment Services, Brockton Neighborhood Health Center, and Naper Grove Vision Care. Interlock is a financially motivated cybercriminal group that uses ransomware in its...
Premier Health Partners Announces July 2023 Data Breach
Premier Health Partners, a Dayton, OH-based network of three hospitals and two major medical centers, has recently issued a press release about a data breach first identified over two years ago. The July 18, 2025, press release explains that on July 12, 2023, Premier Health identified suspicious activity within certain computer systems. An investigation was launched, which confirmed that an unauthorized third party had access to its systems between July 7, 2023, and July 12, 2023, during which time files were acquired from its network. The files were reviewed to determine if any sensitive information had been compromised, and it was confirmed that the exposed data included names, dates of birth, driver’s license numbers, Social Security numbers, passport numbers, taxpayer identification numbers, digital signatures, login credentials, financial account information, medical information, and health insurance information. Premier Health said the security incident did not have any impact on its services, which remained fully operational throughout. Notification letters have been mailed...



