DisclosureLens
HackingHealthcareHealthcareData ExfiltratedCustomer Data InvolvedPHIHealth (basic)Identity (basic)LowContained

Dignity Health Lassen Medical Clinic

bd_b763680e2e4a373f · schema v1 · pii pii-v1

Severity

Low

Discovered

Sep 20, 2024

Filed

Mar 25, 2025

To disclose

27 weeks

Affected

Not disclosed

Linked

3 filings

Confidence

66%
Full breach record for Dignity Health Lassen Medical Clinic2 incidents on file

Dignity Health Lassen Medical Clinic experienced an unauthorized access incident between September 17 and September 20, 2024. The clinic discovered the active cyber event on September 20, 2024. An unauthorized third party gained access to the network and obtained copies of confidential patient medical information, though not directly from the Electronic Medical Record system. The network was temporarily disabled and restored with additional security tools. Identity monitoring services were provided to affected individuals.

Incident timeline

undetected · 3 days
discovery → filing · 27 weeks / 186 days

Sep 17, 2024

Begins

Sep 20, 2024

Discovered

Mar 25, 2025

Filed

vs. sector median

+14 wks slower

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Filing propagation · 3 filings · 3 states

View merged incident ↗
Maine State AGMar 25 · first
New Hampshire State AGMar 25 · first
California State AGMar 25 · 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.