Breachesby GlyphAscension
Disclosed May 8, 20245,599,699 affectedUnverified
Black Basta ransomware attack on Ascension exposes data of 5.6 million people
Ascension, a major US Catholic health system, was hit by a ransomware attack on May 8, 2024 that disrupted hospital operations for weeks. It later notified 5,599,699 patients and employees that files with personal and health information were copied on May 7 and 8.
What is known
| People affected | 5,599,699 (as reported by the organization) |
|---|---|
| Disclosed | May 8, 2024 |
| Discovered | May 8, 2024 |
| Attack | Ransomware |
| Data exposed | NamesAddressesHealthInsuranceFinancialSocial Security numbersDates of birth |
| Sector | Healthcare · US |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
| Lawsuit or fine | Class action lawsuits filed |
Sources
Notices filed
Other breaches at Ascension
History of this record
First recordedby seedSource
First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.