DisclosureLens
HackingHealthcareHealthcareCustomer Data InvolvedDelayed DiscoveryPIIIdentity (basic)Government IDMediumContained

HOSPITAL SISTERS HEALTH SYSTEM

bd_72355d0affccd4a0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Aug 27, 2023

Filed

Feb 7, 2025

To disclose

18 months

Affected

41state residents only

Linked

4 filings

Confidence

66%
Full breach record for HOSPITAL SISTERS HEALTH SYSTEM14 incidents on file

Hospital Sisters Health System (HSHS) filed a supplemental notice with the New Hampshire Attorney General regarding a data security incident. HSHS discovered unauthorized third-party access to its network on August 27, 2023. The attacker accessed files between August 16 and August 27, 2023. The incident affected 41 New Hampshire residents, whose personal information (including SSNs and medical IDs) was accessed. HSHS engaged forensic investigators, notified law enforcement, and offered credit monitoring services.

Incident timeline

undetected · 11 days
discovery → filing · 18 months / 530 days

Aug 16, 2023

Begins

Aug 27, 2023

Discovered

Feb 7, 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 ↗
California State AGFeb 6 · first
Washington State AGFeb 6 · first
Maine State AGFeb 6 · first
New Hampshire State AG+1d · 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.