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Horizon Media data breach investigation

Horizon Media has reported a data breach impacting individuals whose personal information was held on its systems. This incident, reported to Indiana authorities, involved sensitive data categories like names, financial details, and Social Security Numbers, raising significant concerns about potential identity theft and fraud risks for those affected.

Filed
May 6, 2026
Regulator
Indiana AG
People affected
Not stated
File status
Monitoring

What the filing confirms

  • Horizon Media reported the incident to the Indiana Attorney General.
  • Information involved: Full Name, Email Address, Mailing Address, Date of Birth, Social Security Number, Financial Account Information, Payment Card Information, Tax and Wage Documentation.

Still unknown

  • How many people were affected. The filing does not give a number.
  • What caused the incident beyond the description in the filing.
  • How the attackers got in, and whether basic safeguards such as multi-factor sign-in were in place.
Read the filing at the source

Investigation notes

Horizon Media, a company involved in digital marketing and audience analytics, formally reported a data security incident to the Indiana Attorney General on May 6, 2026. This notification confirms that an unauthorized party gained access to their network infrastructure, with the breach event reportedly occurring on or about January 9, 2026. Our firm views this incident as an open investigation into the security practices and compliance efforts of Horizon Media.

The breach exposed a range of highly sensitive personal information. The data types confirmed to be compromised include Full Name, Email Address, Mailing Address, Date of Birth, Social Security Number, Financial Account Information, Payment Card Information, and Tax and Wage Documentation. The exposure of such detailed information carries substantial risks, potentially leading to identity theft, financial fraud, and targeted phishing attempts.

Companies like Horizon Media have a legal obligation to implement robust security measures to protect the private data they collect and store. The occurrence of this breach suggests that these fundamental safeguards may have been insufficient, raising questions about whether Horizon Media upheld its duty to protect sensitive information against foreseeable cyber threats. Our investigation seeks to understand the circumstances that led to this security failure.

If you have received a data breach notification from Horizon Media, it is crucial to remain vigilant. We advise reviewing the details of the notice carefully and taking immediate steps to protect yourself. This includes monitoring your financial accounts and credit reports for any suspicious activity, considering placing fraud alerts or security freezes on your credit, and being wary of unsolicited communications that may attempt to exploit your compromised data.

Receiving an official breach notification letter establishes your standing to seek legal recourse. Under current privacy laws, you do not necessarily need to have already suffered direct financial loss to pursue a claim; the increased risk of future harm and the burden of self-protection can constitute actionable damages. Our firm is evaluating potential legal actions against Horizon Media on behalf of affected individuals. We offer confidential case reviews at no initial cost to help you understand your legal options.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether Horizon Media used reasonable security, how long it kept the data, and how quickly it told the people affected. Those questions decide whether a class action or individual claim is possible. Read more on how ransomware lawsuits work, or browse other incident files in Indiana.

Horizon Media data breach questions

How many people were affected by the Horizon Media data breach, and what was exposed?
The filing does not give a count of affected people and lists the following information as involved: Full Name, Email Address, Mailing Address, Date of Birth, Social Security Number, Financial Account Information, Payment Card Information, Tax and Wage Documentation. Your own letter is the best guide to what was exposed about you, since notices are usually tailored to each person.
Is the Horizon Media data breach letter legit or a scam?
A notice from Horizon Media in the mail matches the breach Horizon Media reported to the Indiana Attorney General on May 6, 2026. Check that the company name and dates in your letter match that filing. A real notice of data security incident won't ask for your password, Social Security number or a payment — if it does, contact Horizon Media through a phone number or website you find yourself.
Did Horizon Media offer free credit monitoring?
Check your letter from Horizon Media. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Because Social Security numbers are listed in this filing, identity monitoring and a credit freeze matter more than usual. Signing up doesn't waive any legal rights you may have.
Is there a Horizon Media data breach class action lawsuit?
Law firms often open an investigation after a breach notice like this one, and a class action lawsuit may follow. This page doesn't confirm that a lawsuit has been filed against Horizon Media. You usually don't have to join a class action to be included — if a settlement is reached, class members are notified and can file a claim.
What should I do after getting the Horizon Media data breach notice?
Keep the letter and the envelope, and note the date it arrived. Freeze your credit with Equifax, Experian and TransUnion, change any passwords the notice mentions, and sign up for any free credit monitoring the letter offers. Then check whether you may have a claim.
Where can I see the official Horizon Media breach notice?
Horizon Media's report is published by the Indiana Attorney General: https://www.in.gov/attorneygeneral/consumer-protection-division/id-theft-prevention/security-breaches/#529horizon-media-2026 Compare it with the letter you received to confirm the dates and details match.
Do I need a Horizon Media data breach lawyer or attorney?
An attorney can read your notice and tell you whether a claim makes sense. A case review here is free, and data breach cases are usually handled on contingency, so there is no upfront cost.
Can I sue Horizon Media over the data breach?
It depends on what was exposed, the law in Indiana and your own state, and whether you've been harmed. Most people take part through a class action rather than suing alone. Keep your notification letter — it's the proof that connects you to the breach.
How much could a Horizon Media data breach settlement or claim be worth?
There is no set amount, and no Horizon Media settlement is confirmed here. In past data breach settlements, payments depended on what data was exposed and on documented losses — fraud, out-of-pocket costs and time spent dealing with the breach. The filing lists Full Name, Email Address, Mailing Address as involved. Keep receipts and records; they're what damages claims are built on.

Other open files in Indiana

Attorney advertising. An incident file reflects a public regulator filing and our review of it; it does not mean a lawsuit has been filed or that the company did anything unlawful. Submitting a review request does not create an attorney-client relationship.