AccidentalHealthcareHealthcareMisdeliveryCustomer Data InvolvedPHIHealth (basic)Identity (basic)LowResolved

LABORATORY CORPORATION OF AMERICA HOLDINGS

bd_a83dd26132b836eb · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 10, 2023

Filed

Sep 8, 2023

To disclose

9 weeks

Affected

8state residents only

Linked

2 filings

Confidence

65%

Full breach record for LABORATORY CORPORATION OF AMERICA HOLDINGS →5 incidents on file

Labcorp inadvertently faxed patient lab results, names, DOBs, addresses, and medical record numbers to incorrect recipients between July 9-11, 2023. Discovered July 10, 2023. Labcorp notified the unintended recipient, requested destruction of data, and offered one year of Experian IdentityWorks. No financial or SSN data was involved.

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Incident timeline

undetected · 1 days

discovery → filing · 9 weeks / 60 days

Jul 9, 2023

Begins

Jul 10, 2023

Discovered

Sep 8, 2023

Filed

vs. sector median

4 wks faster

This filing is one of 2 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (1) · sorted by filing gap

HHS OCRbd_29b7922ab0c0007f2023-09-08Candidate

Name: LABORATORY CORPORATION OF AMERICA HOLDINGS
norm: laboratory corporation of america
Domain: labcorp.com

Name: LABORATORY CORPORATION OF AMERICA HOLDINGS
norm: laboratory corporation of america
Domain: labcorp.com
Industry: Healthcarellm

Discovered: Jul 10, 2023
Breach occurred: Jul 9, 2023 – Jul 11, 2023
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Sep 8, 2023
Affected individuals: 8state-resident count only
Data types: PHIHealth (basic)Identity (basic)
Attack vector: Misconfiguration
MITRE ATT&CK: T1119 Automated Collection

During the incident: Notified the unintended recipient that the information was sent in error and requested that they destroy the information
Offering you a complimentary, one-year membership of Experian’s® IdentityWorksSM
Continue to review, audit and improve our internal fax processes
Changes made: Address the underlying technical error
Prevent future incidents from occurring
Review, audit and improve our internal fax processes
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(60 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 2 filings · 2 states

View merged incident ↗

HHS OCRSep 8 · first

Montana State AGSep 8 · 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.

Source URL: https://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-655.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Sep 8, 2023
Raw hash: 94b27b0660a597e73049d43096395d66ace71627b2c47a276e1955c0810a03ec

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityLABORATORY CORPORATION OF AMERICA HOLDINGS

Victim entityLABORATORY CORPORATION OF AMERICA HOLDINGS

Incidentdiscovered Jul 10, 2023

Stated responseNotified the unintended recipient that the information was sent in error and requested that they destroy the information

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov