HackingInformationCustomer Data InvolvedIdentity (basic)LowContained

The Longleaf Network LLC

bd_162b40d20a1b4e52 · schema v1 · pii pii-v1

Severity

Low

Discovered

May 29, 2024

Filed

Mar 3, 2025

To disclose

40 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

66%

Full breach record for The Longleaf Network LLC →

The Longleaf Network, LLC notified consumers of a data breach where an unauthorized actor accessed its network between May 19 and May 29, 2024. The incident potentially exposed names and other personal information. Longleaf contained the incident, investigated, notified law enforcement, and offered credit monitoring services.

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Vermont clock✗ VT AG >45 bday40 weeks discovery → filing

Incident timeline

undetected · 10 days

discovery → filing · 40 weeks / 278 days

May 19, 2024

Begins

May 29, 2024

Discovered

Mar 3, 2025

Filed

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Maryland State AGbd_508fabb9c1d24d372025-03-03Verified
Indiana State AGbd_6bc6870c71a554fb2025-03-03Candidate
Massachusetts State AGbd_9d0040b36b138f9b2025-03-04 · +1dVerified

Name: The Longleaf Network LLC
norm: the longleaf network

Name: The Longleaf Network LLC
norm: the longleaf network

Discovered: May 29, 2024
Breach occurred: May 19, 2024 – May 29, 2024
Undetected for: 10 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 3, 2025
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid Accounts
Threat actor: External
Regulator citations: Notified requisite state regulatory authorities and law enforcement

During the incident: Took steps to contain the incident
Launched an investigation
Conducted a thorough and time-intensive review of the affected files
Undertook an internal review to locate the address information necessary to notify impacted individuals
Notified requisite state regulatory authorities and law enforcement
Offering ## months of complementary access to credit monitoring and identity restoration services through Experian
Changes made: Reviewing our policies, procedures, and processes related to the storage and access of personal information to reduce the likelihood of a similar future event
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 40 weeks(278 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: letter-groundedThe discovery date is the detection date narrated in the notification letter — the defensible tier.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Maryland State AGMar 3 · first

Indiana State AGMar 3 · first

Vermont State AGMar 3 · first · this page

Massachusetts State AG+1d

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/2025-03-03-longleaf-network-data-breach-notice-consumers
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 3, 2025
Raw hash: b86de9c0ba5a37818a00c9bd4602417ab16fc652ab1c55bca3371362b32391ef

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityThe Longleaf Network LLC

Victim entityThe Longleaf Network LLC

Incidentdiscovered May 29, 2024

Stated responseTook steps to contain the incident

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov