HackingTechnologyInformationData ExfiltratedIdentity (basic)LowContained

Horizontal Integration, Inc.

bd_1dce80056750ffb2 · schema v1 · pii pii-v1

Severity

Low

Discovered

Jul 9, 2024

Filed

Oct 29, 2024

To disclose

16 weeks

Affected

Not disclosed

Linked

4 filings

Confidence

64%

Full breach record for Horizontal Integration, Inc. →2 incidents on file

Horizontal Integration, Inc. notified consumers of a data breach where unauthorized access occurred between July 3-11, 2024. The incident involved the exfiltration of personal information, including names. The company engaged third-party cybersecurity specialists, secured systems, and offered 24 months of credit monitoring via Experian. The investigation was determined to be contained as of September 17, 2024.

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Vermont clock✗ VT AG >45 bday16 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 · 6 days

discovery → filing · 16 weeks / 112 days

Jul 3, 2024

Begins

Jul 9, 2024

Discovered

Sep 17, 2024

Scope determined

Oct 29, 2024

Filed

vs. sector median

3 wks faster

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

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Montana State AGbd_03b6870d9d8c1b1c2024-10-29Candidate
New Hampshire State AGbd_489e4e6e7a9a7bda2024-10-29Verified
Maine State AGbd_9d337438cb51e1dd2024-10-29Verified

Name: Horizontal Integration, Inc.
norm: horizontal integration
Domain: horizontal.com

Name: Horizontal Integration, Inc.
norm: horizontal integration
Domain: horizontal.com
Industry: Technologyllm

Discovered: Jul 9, 2024
Breach occurred: Jul 3, 2024 – Jul 11, 2024
Undetected for: 6 daysoccurrence → discovery
Materiality determined: Sep 17, 2024
Notification sent: Oct 29, 2024
Affected individuals: Not disclosed
Data types: Identity (basic)
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External

During the incident: Worked to secure our systems
With the assistance of third-party cybersecurity specialists, began investigating
Undertook a comprehensive review of the data at risk
Reviewing and updating existing policies and procedures relating to data protection and security
Implemented additional security measures
Providing you with twenty-four (24) months of complimentary access to credit monitoring and identity restoration services through Experian
Changes made: Reviewing and updating existing policies and procedures relating to data protection and security
Implemented additional security measures designed to mitigate risk associated with this incident
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(112 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.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGOct 29 · first

New Hampshire State AGOct 29 · first

Maine State AGOct 29 · first

Vermont State AGOct 29 · 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://ago.vermont.gov/document/2024-10-29-horizontal-integration-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 29, 2024
Raw hash: 31f11b06f4f76dcfa850be0ca0927d35c32c450f4a2004a839678d075092feb3

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityHorizontal Integration, Inc.

Victim entityHorizontal Integration, Inc.

Incidentdiscovered Jul 9, 2024

Stated responseWorked to secure our systems

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov