DisclosureLens
Social EngineeringHealthcareHealthcareVishingStolen CredentialsCapture Stored DataData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)PHIIdentity (basic)Government IDHealth (basic)Financial accountMediumContained

LHC GROUP, INC.

bd_ac420531928d5c01 · schema v1 · pii pii-v2

Severity

Medium

Discovered

Apr 7, 2026

Filed

Sep 1, 2026

To disclose

Affected

Not disclosed

Linked

3 filings

Confidence

68%
Full breach record for LHC GROUP, INC.2 incidents on file

LHC Group, Inc. notified patients of a data breach involving a third-party vendor. On April 7, 2026, LHC became aware of a vishing attack against an employee, leading to credential theft. A threat actor accessed patient PHI from the vendor's platform between April 7 and April 15, 2026. Affected data included names, addresses, dates of birth, SSNs (limited), clinical summaries, treatment plans, diagnosis codes, and insurance information. LHC engaged forensic experts, notified the FBI, disabled the compromised account, and is offering two years of credit monitoring.

Incident timeline

Apr 7, 2026

Begins

Apr 7, 2026

Discovered

Sep 1, 2026

Filed

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 ↗
Massachusetts State AGSep 1 · 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.