Social EngineeringTechnologyInformationPhishingStolen CredentialsData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

Horizon Media

bd_9b8a4ac6ec45f9a6 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jan 9, 2026

Filed

May 6, 2026

To disclose

17 weeks

Affected

7state residents only

Linked

7 filings

Confidence

66%

Full breach record for Horizon Media →

Horizon Media notified the NH Attorney General that an unauthorized actor gained access to a limited portion of its systems via social engineering on January 9, 2026. The actor copied files containing names, Social Security numbers, and passport numbers of seven New Hampshire residents. Horizon contained the incident, notified law enforcement, and is offering 24 months of credit monitoring.

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Incident timeline

discovery → filing · 17 weeks / 117 days

Jan 9, 2026

Begins

Jan 9, 2026

Discovered

May 6, 2026

Filed

vs. sector median

2 wks faster

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 ↓

Nebraska State AGbd_681520a53377c51c2026-05-06Verified
Indiana State AGbd_6bb727b2cb7f614b2026-05-06Verified

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: 7state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unknown
MITRE ATT&CK: T1566 PhishingT1078 Valid AccountsT1041 Exfiltration Over C2 Channel
Threat actor: External
Regulator citations: Notified federal law enforcement regarding the event
Initial access: phishing_link

During the incident: Immediately began an investigation to ensure the event was contained
Undertook a thorough review of the potentially impacted data files
Notified federal law enforcement regarding the event
Providing access to credit monitoring services for twenty-four (24) months, through Experian
Providing impacted individuals with guidance on how to better protect against identity theft and fraud
Providing written notice of this incident to relevant state, as necessary, and to the three major credit reporting agencies
Changes made: Assessing its policies, procedures, and infrastructure
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.

Time to disclose: 17 weeks(117 days from discovery to filing)
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

Nebraska State AGMay 6 · first

Indiana State AGMay 6 · first

New Hampshire 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://mm.nh.gov/files/uploads/doj/remote-docs/horizon-media-20260506.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: 329f85c6f30a1afb1fd1ef70bd35167f3d666fb9ad85abceaa48856263d0e31a

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityHorizon Media

Victim entityHorizon Media

Incidentdiscovered Jan 9, 2026

Stated responseImmediately began an investigation to ensure the event was contained

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov