HackingOtherStolen CredentialsData ExfiltratedIdentity (basic)Government IDPHIHealth (basic)MediumContained

Holstein Association USA, Inc.

bd_b48c7f6f7ca9a090 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 5, 2024

Filed

Jun 28, 2024

To disclose

8 weeks

Affected

Not disclosed

Linked

5 filings

Confidence

66%

Full breach record for Holstein Association USA, Inc. →3 incidents on file

Holstein Association USA, Inc. notified consumers of a data breach detected on May 5, 2024. Unauthorized access compromised personal information (name, address, SSN, DOB) and health plan data (subscriber/member IDs, claims) of deceased members. The organization engaged law enforcement and cybersecurity experts, implemented MFA, and hardened firewalls.

J jump to incidentP pin to compareR raw source

Vermont clock⏱ VT AG >14 bday8 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

discovery → filing · 8 weeks / 54 days

May 5, 2024

Discovered

Jun 28, 2024

Filed

vs. sector median

on median

This filing is one of 5 about the same incident.View merged incident

A leak claim by qilin about this victim predates this filing by 50 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Siteqilinbd_e763c2f002828e602024-05-08 · +50dVerified

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_9defc24408fa1b8e2024-06-28Verified
Montana State AGbd_fd79fe9bec1d60da2024-06-28Verified
New Hampshire State AGbd_b6c515a6265fc25e2024-06-27 · +1dVerified by operator

Name: Holstein Association USA, Inc.
norm: holstein association usa

Name: Holstein Association USA, Inc.
norm: holstein association usa
Industry: Otherllm

Discovered: May 5, 2024
Materiality determined: —
Notification sent: Jun 28, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDPHIHealth (basic)
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Notified law enforcement
Retained leading cybersecurity experts to assist in evaluating and addressing the situation
Worked with security experts who have reviewed our security practices
Changes made: Updating certain software systems
Deploying use of multi-factor authentication
Conducting firewall hardening
Implementing a password reset and a strong password policy
Updating access controls
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 8 weeks(54 days from discovery to filing)
Compliance flags: VT AG >14 bdayLeak >30d
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.

Filing propagation · 4 filings · 4 states

View merged incident ↗

New Hampshire State AGJun 27 · first

Indiana State AG+1d

Montana State AG+1d

Vermont State AG+1d · 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://ago.vermont.gov/document/2024-06-28-holstein-association-holstein-foundation-holstein-services-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 28, 2024
Raw hash: 9c3198c429e9116e775307e04802182236e35588983430d13b83c21fe0ecb998

Linked disclosures

Ransomware claims (1)

Regulatory filings (3) · sorted by filing gap

Reporting entityHolstein Association USA, Inc.

Victim entityHolstein Association USA, Inc.

Incidentdiscovered May 5, 2024

Stated responseNotified law enforcement

ComplianceVT AG >14 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov