HackingTechnologyInformationData ExfiltratedCustomer Data InvolvedPIIIdentity (basic)Government IDMediumActive

Horizontal Integration, Inc.

bd_489e4e6e7a9a7bda · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jul 9, 2024

Filed

Oct 29, 2024

To disclose

16 weeks

Affected

5state residents only

Linked

4 filings

Confidence

64%

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

Horizontal Integration, Inc. reported unauthorized access to its network systems between July 3 and July 11, 2024. The company identified unexpected network activity on July 9, 2024, and engaged third-party cybersecurity specialists. Personal information of residents in New Hampshire and Rhode Island was potentially impacted. The company is offering 24 months of credit monitoring and identity restoration services through Experian.

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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
Vermont State AGbd_1dce80056750ffb22024-10-29Verified
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: Jul 24, 2024
Affected individuals: 5state-resident count only
Data types: PIIIdentity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External

During the incident: Moved quickly to investigate and respond to the event
Assessed the security of Horizontal systems
Identified potentially affected individuals
Engaged third-party cybersecurity specialists
Provided access to credit monitoring services through Experian
Provided impacted individuals with guidance on how to better protect against identity theft and fraud
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 event
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 16 weeks(112 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Montana State AGOct 29 · first

Vermont State AGOct 29 · first

Maine State AGOct 29 · first

New Hampshire 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://mm.nh.gov/files/uploads/doj/remote-docs/horizontal-integration-20241029.pdf
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: 6e167db9f437305dc9e17c55b7cc82d0a5db50187f254315b1b8354ac0f65baf

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityHorizontal Integration, Inc.

Victim entityHorizontal Integration, Inc.

Incidentdiscovered Jul 9, 2024

Stated responseMoved quickly to investigate and respond to the event

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov