Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment data breach
Incident readout
- Company
- Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment
- Reported to
- Massachusetts Attorney General
- Filed
- April 27, 2026
- People affected
- Not stated in the filing
- Incident type in filing
- Not stated
- Our review
- Investigation Open
Was this a ransomware attack?
The filing does not say ransomware was involved. We do not label an incident ransomware unless the company’s report says so. Whatever the cause, the steps to protect yourself and the legal question are the same.
What we know
Lincoln Holdings LLC, operating as Monumental Sports & Entertainment (MSE), is a premier sports and entertainment enterprise that owns and operates major professional sports franchises, multi-use arenas, regional sports networks, and extensive digital ticketing and merchandising platforms. In the course of managing season ticket memberships, premium suite sales, mobile app fan engagement, merchandise e-commerce, and high-profile venue operations, MSE collects and retains vast volumes of sensitive consumer and employee data. This repository includes not only basic contact information but also high-value financial accounts, credit card details, government-issued identification numbers for security clearances, and detailed behavioral and ticketing preferences for millions of high-profile patrons, athletes, and personnel. In 2026, Lincoln Holdings LLC reported a significant data security incident to the Office of the Massachusetts Attorney General, raising serious concerns regarding the safety of consumer and employee records. In the entertainment and venue management sector, such breaches typically involve sophisticated cyberattacks targeting enterprise network infrastructure, third-party ticketing platforms, or compromised cloud-based customer relationship management (CRM) databases. Threat actors frequently exploit vulnerabilities in integrated vendor systems to bypass perimeter security controls, deploy ransomware, or covertly exfiltrate massive data troves containing personally identifiable information (PII) before organizations detect the unauthorized intrusion. The exposure of this information exposes victims to severe, long-term risks of identity theft, financial fraud, and targeted cyber scams. Compromised financial details and credit card numbers can lead to unauthorized charges, fraudulent account takeovers, and immediate monetary losses. Furthermore, when ancillary data such as addresses, purchase histories, and birthdates are leaked alongside financial credentials, cybercriminals are equipped to execute convincing phishing campaigns, open fraudulent lines of credit, or engage in synthetic identity fraud that can take years for victims to untangle and remediate. As an enterprise handling sensitive consumer and employee data, Lincoln Holdings LLC was bound by rigorous legal obligations under state data protection statutes, including the Massachusetts Data Privacy Act and broader consumer protection frameworks. These laws mandate that companies handling personal information implement and maintain robust administrative, physical, and technical safeguards to secure data against unauthorized access and exfiltration. The occurrence of a widespread security breach strongly suggests a potential failure in these mandated security protocols, ranging from inadequate network monitoring and outdated patch management to insufficient vendor risk assessments. Receiving a data breach notification letter from Lincoln Holdings LLC is a formal legal admission that your private, sensitive information was compromised as a result of corporate negligence. Under modern class action jurisprudence, the receipt of this notice establishes the concrete legal standing necessary to pursue a claim and hold the company accountable for failing to safeguard your data, without requiring you to demonstrate that you have already suffered actual financial loss. Our law firm is actively investigating potential class action lawsuits against Lincoln Holdings LLC on a contingency fee basis, meaning there are never any out-of-pocket costs or fees unless we successfully recover compensation on your behalf.
See every breach reported in Massachusetts or read what to do after a ransomware attack.
After the Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment incident: what to do and your options
- 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.
- 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.
- 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.
- Do I need a Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment data breach lawyer or attorney?
- Whether the company's systems were encrypted by ransomware or data was simply taken, the legal question is the same: did it protect your information the way the law requires? An attorney can review your notice for free, and these cases are usually handled on contingency.
- 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.
- 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.
- 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 breaches reported in Massachusetts
- Analytix SolutionsMassachusetts Attorney General · Filed August 7, 2026Count not stated
- Builders FirstSource, Inc.Massachusetts Attorney General · Filed August 7, 2026Count not stated
- MONROE COUNTY HEALTH CENTERMassachusetts Attorney General · Filed August 7, 2026Count not stated
- National Corporate HousingMassachusetts Attorney General · Filed August 7, 2026Count not stated
- The Chartwell Law Offices, LLPMassachusetts Attorney General · Filed August 7, 2026Count not stated
- The Financial Guys, LLC, and affiliatesMassachusetts Attorney General · Filed August 7, 2026Count not stated
Attorney advertising. This page reflects a public regulator filing; 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.