"On June 6, 2023, Ascension posted a notice describing a “security incident” on its website after learning that a cyberattack at one of the company’s vendors resulted in leaked patient data."
https://www.jdsupra.com/legalnews/ascension-announces-data-breach-4335354/
What to do if you are impacted:
"If you received a data breach notification from Ascension, it is essential you understand what is at risk and what you can do about it. Although the recent breach didn’t impact Ascension’s systems directly, it did affect patient information provided to the company. This is because hackers were able to breach the network of one of Ascension’s third-party vendors. To learn more about how to protect yourself from becoming a victim of fraud or identity theft and what your legal options are in the wake of the Ascension data breach, please see our recent piece on the topic here."
https://www.myinjuryattorney.com/consumer-privacy-data-breach-lawyers/if-your-information-has-been-compromised-in-a-data-breach/