HackingHealthcareHealthcareData ExfiltratedTargetedIdentity (basic)Government IDMediumContained

Meridian Valley Laboratories, Inc.

bd_7a09f482df031ad6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 3, 2025

Filed

Oct 14, 2025

To disclose

15 weeks

Affected

Not disclosed

Confidence

65%

Full breach record for Meridian Valley Laboratories, Inc. →2 incidents on file

Meridian Valley Laboratories, Inc. notified consumers of a data breach involving unauthorized network access between May 30 and July 3, 2025. The incident resulted in the exfiltration of files containing names and government identifiers (SSN, DOB). MVL engaged forensic specialists, reported to the FBI and HHS, and offered credit monitoring services to affected individuals.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday15 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 34 days

discovery → filing · 15 weeks / 103 days

May 30, 2025

Begins

Jul 3, 2025

Discovered

Oct 14, 2025

Filed

vs. sector median

+2 wks slower

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: Meridian Valley Laboratories, Inc.
norm: meridian valley laboratories

Name: Meridian Valley Laboratories, Inc.
norm: meridian valley laboratories
Industry: Healthcarellm

Discovered: Jul 3, 2025
Breach occurred: May 30, 2025 – Jul 3, 2025
Undetected for: 34 daysoccurrence → discovery
Materiality determined: —
Notification sent: Oct 14, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Reported this event to federal law enforcementReported to applicable government regulators, including the U.S. Department of Health and Human Services

During the incident: Promptly took steps to secure our network
Initiated an investigation into the nature and scope of the activity with the assistance of third-party forensic specialists
Conducted a comprehensive and time-intensive review of the affected files
Worked diligently to locate appropriate address information for notifying potentially impacted individuals
Reported this event to federal law enforcement and applicable government regulators, including the U.S. Department of Health and Human Services
Offering immediate access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services at no charge
Providing proactive fraud assistance through Cyberscout, a TransUnion company
Changes made: Implementing additional security measures to further protect against similar incidents occurring in the future
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 15 weeks(103 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

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://ago.vermont.gov/document/2025-10-14-meridian-valley-laboratories-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 14, 2025
Raw hash: 5f6af08bf06f288cdfd800a4573d7e2d8790c0076e96bd5ab7320a54675f8646

Reporting entityMeridian Valley Laboratories, Inc.

Victim entityMeridian Valley Laboratories, Inc.

Incidentdiscovered Jul 3, 2025

Stated responsePromptly took steps to secure our network

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov