Ascension Health Alliance

Ascension Health filed a supplemental security breach notification with the Maryland Office of the Attorney General on February 3, 2025, supplementing a December 19, 2024 filing. The incident involved a ransomware attack detected on May 8, 2024, affecting approximately 5.47 million individuals nationwide, including 22,293 Maryland residents. Exfiltrated data included PHI, financial account numbers, government IDs, and PII. Ascension engaged cybersecurity experts, notified the FBI and CISA, and provided 24 months of credit monitoring and ID theft recovery services.

Ascension Health (Missouri) reported to HHS OCR on 2025-04-28 a Hacking/IT Incident affecting 437,329 individuals. Breached information was located on a Network Server. No business associate was identified as present. No further detail was provided in the public HHS disclosure.

Ascension Health reported a data breach to the Indiana Attorney General. The breach occurred on 2023-05-30 and was reported on 2025-04-28. 169,183 Indiana residents were affected. 430,910 individuals affected in total.

Ascension Health detected a ransomware attack on May 8, 2024, involving unauthorized access to systems on May 7-8, 2024. A cybercriminal exfiltrated files containing patient and associate personal information, including medical records, payment info, and government IDs. The organization engaged cybersecurity experts, notified law enforcement, and offered identity theft protection.

Ascension Health reported a data breach to the Oregon Attorney General. The breach was reported on 2025-02-03. The breach occurred during 2/29/2024 - 5/8/2024. The breach was discovered on 5/8/2024. 5,466,931 individuals were affected. Notice was sent on 12/19/2024.

Ascension Health submitted a supplemental notification to the Delaware Department of Justice on February 3, 2025, regarding a prior data security incident. The organization notified approximately 616 Delaware residents via USPS mail after finalizing its data analysis. This filing supplements a previous letter dated December 19, 2024.

Supplemental breach notification from Ascension Health to the Delaware Department of Justice, filed February 3, 2025. Ascension notified approximately 616 Delaware residents via USPS mail regarding a recent data security incident. The filing supplements a prior letter from December 19, 2024. Specific attack vectors and data types are not detailed in this correspondence.

Ascension Health reported a data breach to the Montana Attorney General. The breach was reported on 2024-12-19. The breach occurred from 05/07/2024 to 05/08/2024. 4,568 Montana residents were affected.

Ascension Health reported a data breach to the Oregon Attorney General. The breach was reported on 2024-12-19. 5,599,699 individuals were affected.

Ascension Health experienced a ransomware attack resulting in unauthorized access to patient and associate data. The breach occurred between February 29 and June 11, 2024, and was detected on May 8, 2024. A cybercriminal exfiltrated files containing names, medical records, payment info, insurance IDs, and government IDs. Ascension engaged cybersecurity experts, notified law enforcement, and offered identity protection services.

Ascension Health, a health sector entity reported a ransomware incident to the Washington Attorney General. The organization became aware of the incident on 2024-05-08 and filed notice on 2024-12-19. 5,787 Washington residents were affected. 225 days elapsed between awareness and notification. 69 days to identify the breach. 34 days to contain the breach.

On May 8, 2024, Ascension Health detected unauthorized activity on its technology systems resulting from a ransomware attack. A cybercriminal obtained copies of files on May 7–8, 2024, containing patient and employee personal information including medical, payment, insurance, government ID, and other personal data. Approximately 658 Maine residents were notified on December 19, 2024. Total affected individuals numbered 5,599,699. IDX identity protection services were offered for 24 months.

Ascension Health reported to HHS on 2024-07-03 a Hacking/IT Incident affecting 5466931 individuals. Breached information located on Network Server.

Ascension Seton reported to HHS on 2023-06-06 a Hacking/IT Incident affecting 17,191 individuals. Breached information located on Network Server. A business associate experienced a ransomware incident affecting PHI including names, addresses, SSNs, driver's license numbers, DOBs, financial/insurance info, lab results, medications, and diagnoses. The CE offered free credit monitoring.

Ascension Providence reported to HHS on 2023-06-06 a Hacking/IT Incident affecting 1415 individuals. Breached information located on Network Server. A business associate experienced a ransomware incident affecting PHI including names, addresses, SSNs, driver's license numbers, DOBs, financial and health insurance info, lab results, medications, and diagnoses. The CE offered free credit monitoring services.

Ascension Health reported a data breach to the Montana Attorney General. The breach was reported on 2021-05-05. The breach occurred on 2/6/2021. 4,650 Montana residents were affected.