Hospital Sisters Health System
Disclosed Oct 26, 2023882,000 affectedConfirmed
HSHS notifies 882,000 patients of August 2023 cyberattack
Hospital Sisters Health System notified over 882,000 patients that an attack discovered on August 27, 2023, which caused a system-wide outage, exposed names, birth dates, medical record numbers, treatment and insurance data, SSNs and driver's license numbers.
What is known
| People affected | 882,000 (as reported by the organization) |
|---|---|
| Disclosed | Oct 26, 2023 |
| Discovered | Aug 27, 2023 |
| Happened | Aug 16, 2023 |
| Attack | Hacking |
| Data exposed | NamesAddressesDates of birthHealthInsuranceSocial Security numbersGovernment IDs |
| Sector | Healthcare · US |
| Status | Confirmed |
Sources
Washington Attorney General breach notice: Hospital Sisters Health SystemUS health system notifies 882,000 patients of August 2023 breachIndiana Attorney General 2024 data breach report: Hospital Sisters Health SystemHHS OCR breach report (archive, resolved): Hospital Sisters Health System (Business Associate, IL)
Notices filed
Other breaches at Hospital Sisters Health System
History of this record
empty to https://ocrportal.hhs.gov/ocr/breach/breach_report.jsfby backfillSource
2024-08-30 to 2023-10-26by backfillSource
2025-02-06 to 2024-08-30by backfillSource
[] to ["names","addresses","dob","health","insurance","ssn","government-id"]by seedSource
empty to organizationby seedSource
empty to 882000by seedSource
empty to Hospital Sisters Health System notified over 882,000 patients that an attack discovered on August 27, 2023, which caused a system-wide outage, exposed names, birth dates, medical record numbers, treatment and insurance data, SSNs and driverby seedSource
empty to HSHS notifies 882,000 patients of August 2023 cyberattackby seedSource
First recordedby backfillSource
First seen 2026-09-25 (Washington AG), confirmed by Washington AG. Record counts are as reported. Not legal advice.