Horizon Media
ent_7c9e85d40d0f426221ed81ca
Disclosures
6
State AG · 6 jurisdictions
Incidents
1
filings grouped by incident
Max affected reported
15
as filed · State AG IN
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- Horizon Media
- Normalized
- horizon media— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- No match
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (6)newest first
- 🍁Vermont State AGas victim2026-05-06
Horizon Media reported a data breach to the Vermont Attorney General. The breach was reported to the AGO on 2026-05-06. The reporting organization type is Other Commercial. 10 Vermont residents were affected. Categories of data breached: Social Security Numbers, Government ID Numbers, Health Records.
- 🐻California State AGas victim2026-05-06
Horizon Media disclosed that on January 9, 2026, an unauthorized actor gained access to a limited portion of its systems via a sophisticated social engineering event. The actor copied certain files from file shares. The investigation determined that name and other personal information may have been accessed. Horizon contained the incident, notified federal law enforcement, and is offering 24 months of credit monitoring to affected individuals.
- 🦞Maine State AGas victim2026-05-06
Horizon Media, a New York-based commercial entity, reported to the Maine Attorney General that an external system breach (hacking) occurred on or about January 9, 2026 and was discovered on April 6, 2026. One Maine resident was affected; the total number of persons affected was not disclosed in the Maine AG submission. The notice did not enumerate specific data elements acquired. Written notifications were sent on May 6, 2026, and 24 months of Experian IdentityWorks identity theft protection were offered.
- 🏎️Indiana State AGas victim2026-05-06
Horizon Media reported a data breach to the Indiana Attorney General. The breach occurred on 2026-01-09 and was reported on 2026-05-06. 15 Indiana residents were affected.
- ⛰️New Hampshire State AGas victim2026-05-06
Horizon Media notified the New Hampshire Attorney General on May 6, 2026, of a data event affecting 7 New Hampshire residents. The incident, discovered on January 9, 2026, involved unauthorized access via a sophisticated social engineering event (phishing). The attacker accessed file shares and copied files containing names, Social Security numbers, and passport numbers. Horizon notified federal law enforcement, provided 24 months of credit monitoring via Experian, and issued notices to affected individuals and credit bureaus.
- 🏛️Massachusetts State AGas victim2026-05-01
Horizon Media notified Massachusetts residents of a cybersecurity incident involving unauthorized access to personal information. The company engaged federal law enforcement, cooperated with the investigation, and offered 24 months of complimentary credit monitoring and identity restoration services through Experian. The scope of affected individuals was not explicitly quantified in this notice.