HackingProfessional ServicesProfessional ServicesStolen CredentialsTargetedIdentity (basic)Government IDMediumActive

McAlvain Companies, Inc

bd_610d33c2d5cfba18 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Apr 4, 2024

To disclose

—

Affected

9state residents only

Linked

2 filings

Confidence

67%

Full breach record for McAlvain Companies, Inc →

McAlvain Companies, Inc. notified Montana residents of a data security incident where an unauthorized third party compromised its computer system. The incident may have exposed HR information including names, addresses, SSNs, and dates of birth. The company activated its incident response plan, engaged third-party experts, and is offering 12 months of credit monitoring.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Apr 4, 2024

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

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

Indiana State AGbd_28c20a4daf4dd5b62024-04-04Verified

Name: McAlvain Companies, Inc
norm: mcalvain companies

Name: McAlvain Companies, Inc
norm: mcalvain companies
Industry: Professional Servicesllm

Discovered: —
Materiality determined: —
Notification sent: Apr 4, 2024
Affected individuals: 9state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Initial access: valid_credentials

During the incident: Activated its incident response plan
Engaged additional third-party experts
Commenced an investigation
Secured our environment
Hardened and enhanced our network security
Arranged for you to activate, at no cost to you, Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services
Providing you with proactive fraud assistance
Changes made: Enhancing our cyber preparedness through additional training
Updating procedures
Source: Quoted from the filing itself, not independently verified.

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 ↗

Indiana State AGApr 4 · first

Montana State AGApr 4 · 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-1275.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 4, 2024
Raw hash: 8d93d5f7489e9b2c32cd83ca545187d17c1a1bfe90721a55bdf104b2e670b18b

Linked disclosures

Regulatory filings (1) · sorted by filing gap

Reporting entityMcAlvain Companies, Inc

Victim entityMcAlvain Companies, Inc

IncidentUnauthorized Access

Stated responseActivated its incident response plan

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov