DisclosureLens
HackingHealthcareHealthcareCustomer Data InvolvedEmployee Data InvolvedPHIIdentity (basic)Government IDHealth (basic)MediumContained

HOSPITAL SISTERS HEALTH SYSTEM

bd_63d403f97d8c8da8 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 27, 2023

Filed

Feb 6, 2025

To disclose

18 months

Affected

Not disclosed

Linked

4 filings

Confidence

64%
Full breach record for HOSPITAL SISTERS HEALTH SYSTEM14 incidents on file

Hospital Sisters Health Systems (HSHS) discovered on August 27, 2023, that an unauthorized third party gained temporary access to its network between August 16 and August 27, 2023. The incident potentially exposed personal information including names, addresses, dates of birth, medical record numbers, limited treatment information, health insurance information, Social Security numbers, and driver's license numbers. HSHS contained the incident, engaged forensic investigators, and is offering one year of credit monitoring to affected individuals.

Incident timeline

undetected · 11 days
discovery → filing · 18 months / 529 days

Aug 16, 2023

Begins

Aug 27, 2023

Discovered

Feb 6, 2025

Filed

vs. sector median

+63 wks slower

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Filing propagation · 4 filings · 4 states

View merged incident ↗
Washington State AGFeb 6 · first
Maine State AGFeb 6 · first
California State AGFeb 6 · first · this page

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.