UnknownHealthcareHealthcareCustomer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDHealth (basic)MediumContained

MWI Veterinary Supply, Inc.

bd_e02a7dd25f3a1181 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Nov 4, 2024

To disclose

—

Affected

Not disclosed

Linked

7 filings

Confidence

66%

Full breach record for MWI Veterinary Supply, Inc. →2 incidents on file

MWI Veterinary Supply, Inc. reported a data security incident involving unauthorized access to personal information of current and former employees, their dependents, and individuals associated with customers. The breach occurred on February 21, 2024, and was fully contained. Affected data includes names, addresses, dates of birth, Social Security Numbers, driver's license information, and health insurance information. The company engaged cybersecurity experts and law enforcement, and is offering 24 months of credit monitoring to affected individuals.

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Leak gap clock✗ Leak >180d

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Incident timeline

Feb 21, 2024

Begins

Nov 4, 2024

Filed

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Vermont State AGbd_106866268166cc202024-11-04Verified
Indiana State AGbd_417cec55efa00f862024-11-04Verified
Maine State AGbd_881516599e930adb2024-11-04Candidate
Massachusetts State AGbd_c165b2aa6399e4402024-11-04Verified

Show 2 more filings ↓up to 8d gap

Montana State AGbd_c607081831255b902024-11-04Candidate
New Hampshire State AGbd_68374ced74ce1a742024-11-12 · +8dVerified

Name: MWI Veterinary Supply, Inc.
norm: mwi veterinary supply

Name: MWI Veterinary Supply, Inc.
norm: mwi veterinary supply
Industry: Healthcarellm

Discovered: —
Breach occurred: Feb 21, 2024
Materiality determined: —
Notification sent: Nov 4, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDHealth (basic)
Data elements: Social Security numberDate of birth
Attack vector: Unknown
Regulator citations: Notified law enforcement

During the incident: Launched an investigation with the assistance of cybersecurity experts, law enforcement, and outside lawyers
Reviewed the impacted data to determine whether personal information was compromised
Working with cybersecurity experts to reinforce systems and information security protocols
Providing access to Experian IdentityWorks credit monitoring and remediation services for 24 months at no charge
Changes made: Working with cybersecurity experts to reinforce systems and information security protocols in an effort to prevent incidents like this from occurring in the future
Source: Quoted from the filing itself, not independently verified.

Compliance flags: Leak >180d
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Vermont State AGNov 4 · first

Indiana State AGNov 4 · first

Maine State AGNov 4 · first

Massachusetts State AGNov 4 · first

Montana State AGNov 4 · first

California State AGNov 4 · first · this page

New Hampshire State AG+8d

Pattern: first filing Nov 4 (VT), last Nov 12 (NH) — a 8-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

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://oag.ca.gov/ecrime/databreach/reports/sb24-594357
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 4, 2024
Raw hash: 6b3f1961ed440c1e6e384cc1df8531d7eac56c1cf06fabc5533b6ecde2ee2e92

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityMWI Veterinary Supply, Inc.

Victim entityMWI Veterinary Supply, Inc.

IncidentUnknown

Stated responseLaunched an investigation with the assistance of cybersecurity experts, law enforcement, and outside lawyers

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov