Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment reported this breach to the Massachusetts Attorney General. Affected individuals who received a notification letter may be entitled to financial compensation through a class action lawsuit — at no cost to you.
According to the Massachusetts Attorney General filing, the following types of personal information were compromised in the Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment data breach:
Each type of exposed data strengthens your legal claim. Courts have consistently recognized that the unauthorized disclosure of this information constitutes actionable harm.
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.
You do not need to prove you were financially harmed to qualify. Courts have recognized that the exposure of personal data itself constitutes actionable harm. You may qualify if any of the following apply:
You received a data breach notification letter from Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment
You were a customer, patient, employee, or client of Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment
Your personal information was stored in Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment's systems
Your financial account, credit card, or banking information was disclosed
Your login credentials or passwords were exposed
You reside in the United States (all 50 states eligible)
That letter is legally required and confirms your data was exposed. It also gives you standing to file a claim.
What your notification letter means & what to do next →Take these steps immediately to protect yourself and preserve your right to compensation.
Your Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment data breach notification letter is legal evidence. Store it in a safe place — physical and digital copies. It establishes that you were affected by this breach and strengthens your claim for compensation.
Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment is typically required to offer free credit monitoring to affected individuals. Check your notification letter for enrollment instructions and use all offered services — they help detect fraud early and document harm.
Contact Equifax, Experian, and TransUnion to place a free credit freeze. This prevents new accounts from being opened in your name and protects you from identity theft. You can lift the freeze at any time.
You have a limited window to file a claim. Contact our attorneys today for a free, no-obligation case review. We handle all Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment data breach cases on a contingency basis — you pay nothing unless we win.
Security Incident
Prior to AG notification
Unauthorized access to Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment's systems containing personal information.
Reported to Attorney General
April 27, 2026
Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment filed an official data breach notice with the Massachusetts AG.
Consumer Notification Letters Sent
Within weeks of AG filing
State law requires companies to mail notification letters to all affected individuals.
Legal Window — Act Now
Statute of limitations applies
State law sets a deadline to file claims. Waiting can forfeit your right to compensation.
Data breach victims may be entitled to several forms of compensation. The specific amounts depend on your state, the type of data exposed, and the company's conduct.
States like California allow $100–$750 per incident regardless of actual harm. Other states provide separate statutory remedies for data breach victims.
Reimbursement for any fraud charges, unauthorized transactions, or expenses you incurred as a direct result of the breach.
Compensation for hours spent monitoring accounts, disputing fraud, freezing credit, and dealing with the aftermath of the breach.
Reimbursement for the cost of credit monitoring services, identity theft protection, and related identity restoration expenses.
Exposure of financial account or credit/debit card information entitles victims to recover for actual and potential fraud losses.
Massachusetts's data security regulations (201 CMR 17.00) are among the nation's strictest, requiring a comprehensive written information security program. Massachusetts residents whose data is breached due to non-compliance may recover actual damages and attorney's fees.
These companies also reported data breaches to the Massachusetts Attorney General. If you received a letter from any of these organizations, you may also be entitled to compensation.
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Builders FirstSource, Inc.
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Independent Solutions Wealth Management, LLC
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ABC Supply Co., Inc.
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The Financial Guys, LLC, and affiliates
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The Chartwell Law Offices, LLP
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