Social EngineeringTechnologyInformationPhishingData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Horizon Media

bd_681520a53377c51c · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 9, 2026

Filed

May 6, 2026

To disclose

—

Affected

1state residents only

Linked

7 filings

Confidence

66%

Full breach record for Horizon Media →

Horizon Media disclosed a cybersecurity incident to the Nebraska Attorney General on May 6, 2026. The breach occurred on January 9, 2026, when an unauthorized actor gained access to a limited portion of systems via a sophisticated social engineering event. The actor copied files containing names and Social Security numbers. One Nebraska resident was notified. Horizon notified law enforcement, offered 24 months of credit monitoring, and improved its cybersecurity posture.

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Incident timeline

Jan 9, 2026

Begins

Jan 9, 2026

Discovered

May 6, 2026

Filed

This filing is one of 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Vermont State AGbd_21c32db152c9109c2026-05-06Verified
California State AGbd_28d7120ce69782f92026-05-06Verified
Maine State AGbd_33a60a56d229fca92026-05-06Verified
Massachusetts State AGbd_611b6f87032f6dba2026-05-06Candidate

Show 2 more filings ↓

Indiana State AGbd_6bb727b2cb7f614b2026-05-06Verified
New Hampshire State AGbd_9b8a4ac6ec45f9a62026-05-06Verified

Name: Horizon Media
norm: horizon media

Name: Horizon Media
norm: horizon media
Industry: Technologyllm

Discovered: Jan 9, 2026
Breach occurred: Jan 9, 2026
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 6, 2026
Affected individuals: 1state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security number
Attack vector: Phishing
MITRE ATT&CK: T1566.002 Spearphishing Link
Threat actor: External
Initial access: phishing_link

During the incident: Notified federal law enforcement regarding the event
Providing access to credit monitoring services for twenty-four (24) months, through Experian, to individuals whose personal information was potentially affected by this incident, at no cost to these individuals
Providing written notice of this incident to relevant state, as necessary, and to the three major credit reporting agencies, Equifax, Experian, and TransUnion
Changes made: Assessing its policies, procedures, and infrastructure and is making improvements to its cybersecurity posture to reduce the chances of an event like this recurring
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 · 7 filings · 7 states

View merged incident ↗

Vermont State AGMay 6 · first

California State AGMay 6 · first

Maine State AGMay 6 · first

Massachusetts State AGMay 6 · first

Indiana State AGMay 6 · first

New Hampshire State AGMay 6 · first

Nebraska State AGMay 6 · 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://nebraska.gov/ago/data-breach/documents/037c37f2-29e9-4552-aed1-c31de661db45.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 6, 2026
Raw hash: 87b8a33f8ec6ba88a9ae455ec125e79df5e7953c84f659982f6a790e8100a032

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityHorizon Media

Victim entityHorizon Media

Incidentdiscovered Jan 9, 2026

Stated responseNotified federal law enforcement regarding the event

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov