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Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment data breach investigation

Lincoln Holdings LLC, operating as Monumental Sports & Entertainment, has reported a data security incident to the Massachusetts Attorney General's office. This breach confirms that personal information was compromised, raising concerns about the company's data protection practices and potentially exposing affected individuals to risks.

Filed
April 27, 2026
Regulator
Massachusetts AG
People affected
Not stated
File status
Investigation Open

What the filing confirms

  • Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment reported the incident to the Massachusetts Attorney General.

Still unknown

  • Which categories of personal information were taken. The filing does not list them.
  • 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.

Investigation notes

Lincoln Holdings LLC, operating as Monumental Sports & Entertainment (MSE), formally reported a data security incident to the Massachusetts Attorney General on April 27, 2026. This notification confirms that unspecified personal information entrusted to the company was compromised.

While the specific nature of the breach remains unspecified in the filing, incidents in the entertainment and venue management sector often involve sophisticated intrusions targeting customer data. The exposure of your personal information, even if specific categories are not yet public, can lead to risks such as identity theft, financial fraud, and targeted scams. Vigilance over your accounts is crucial.

Companies like Lincoln Holdings LLC are legally obligated under Massachusetts data protection laws, including the Massachusetts Data Privacy Act, to implement robust security measures to protect personal information. A reported breach suggests a potential failure in these mandated safeguards, raising questions about the company's diligence in protecting the vast volumes of sensitive data it handles.

If you have received a data breach notification letter from Lincoln Holdings LLC, it means the company has confirmed that your personal information was compromised. This notification establishes your legal standing to investigate whether the company met its obligations to safeguard your data and to explore avenues for accountability regarding any security failures.

We advise all recipients of a breach notification to carefully review the letter for any specific guidance provided. It is also prudent to monitor your financial accounts and credit reports for any suspicious activity. Consider placing a fraud alert or freezing your credit to help prevent unauthorized access.

Our firm is actively investigating this security incident and the actions, or inactions, of Lincoln Holdings LLC. We are committed to understanding the full scope of the breach and evaluating the company’s adherence to data protection standards. We believe affected individuals deserve clear answers and appropriate recourse.

If you received a notification from Lincoln Holdings LLC, you may have legal rights. We offer free case reviews to help you understand your options without any out-of-pocket costs.

What our attorneys examine

A cyberattack does not excuse a company from protecting the information it holds. We look at whether Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment 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 Massachusetts.

Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment data breach questions

Is the Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment data breach letter legit or a scam?
A notice from Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment in the mail matches the breach Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment reported to the Massachusetts Attorney General on April 27, 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 Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment through a phone number or website you find yourself.
Did Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment offer free credit monitoring?
Check your letter from Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment. If free credit or identity monitoring is offered, the enrollment code and deadline are printed in the notice itself. Enrolling does not give up your right to bring a claim.
Is there a Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment 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 Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment. 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 Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment 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.
Do I need a Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment 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 Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment over the data breach?
It depends on what was exposed, the law in Massachusetts 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 Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment data breach settlement or claim be worth?
There is no set amount, and no Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment 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. Keep receipts and records; they're what damages claims are built on.

Other open files in Massachusetts

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.