One of the largest private health care systems in the United States, Eccans have revealed that individual and healthcare information of more than 430,000 patients was revealed in data violations revealed last month.
As in April, the Breach notification letters sent to the affected persons revealed the ascension, their information was stolen in a data theft attack which affected a former trade partner in December.
Depending on the affected patient, the attacker can access personal health information related to in -positive trips, including the name of the doctor’s name, date, diagnosis and billing code, medical record number, and insurance company names. They can get access to personal information, including name, address, phone number), email address, date of birth, race, gender and social security numbers (SSNs).
“On December 5, 2024, we came to know that the information of the ascending patient may be involved in a possible security incident. We immediately started an investigation to determine what and how the security incident took place,” Services said,
“Our investigation was scheduled on January 21, 2025, that the ascension inadvertently revealed the information to a former business partner, and some of the information was stolen from them, which was stolen due to vulnerability in the third-party software used by the former business partner.”
While Udgam did not reveal the total number of people affected at that time, April 29 filing The incident said that the incident affected 114,692 persons in Texas, and the company also told the Attorney General’s office of Massachusetts that 96 residents had their medical records and exposed SSN in the incident.
However, healthcare giants also revealed In filing on 28 April With the US Department of Health and Human Services (HHS) which was not published till date, Data Brech influenced 437,329 persons.

Escation provides two -year free identity monitoring services to the people affected by the incident, including credit monitoring, fraud consultation and restoration of identity theft.
Although the ascension did not share any details about the violations influencing their former business partner, the death timeline means that the attack was part of the wider clop ransomware data theft attacks that exploited a zero-day defect in the Cleo safe file transfer software.
Last year, Aarohi informed about 5.6 million patients and employees that their personal, financial, insurance and health information was stolen in the black bag ransomware attack.
After the incident, the Healthcare organization revealed that the ransomware breech resulted in an employee as a result of downloading a malicious file on a company device.
After the May 2024 attack, employees were forced to monitor procedures and medicines on paper, as the electronic records of patients could not be accessed. To prevent triaies delays, unaffected healthcare units had to prevent some non-fingered alternative procedures, tests and appointments and redirect emergency medical services.
Ascension has more than 142,000 employees, operates 142 hospitals and 40 senior care facilities, which is North America Acoss Acoss, and reported revenue of $ 28.3 billion in 2023.