Received a data breach letter?
Active Legal Case · Letter recipients may be eligible to join a class action lawsuit against Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment
Join Now →Free, Confidential Case Review
If you received a data breach notification letter from Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment, send us your details and a member of the legal team will review your request. There is no cost or obligation.
No fee unless you recover.
Sending this form does not create an attorney-client relationship.
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.
About the Notice You Received
If you received a data breach notification letter, notice, or mailing from Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment, this communication confirms that your personal information was exposed or accessed without authorization.
Under Massachusetts law (M.G.L. c. 93H), companies are legally required to send a written breach notification to every affected resident. This may arrive as a letter in the mail, a formal notification mailing, or an email notice — all are equally valid as evidence of harm.
Your Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment notification letter is more than an informational warning. It is legally required documentation — and the starting point for a potential class action claim against Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment.
This notice may also be referred to as:
It Takes 2 Minutes
Tell us you received a notification letter from Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment. No need to have the letter handy — just your name and contact info.
A licensed data breach attorney will review your eligibility within 24 hours and contact you directly. Completely free, no obligation.
If you qualify, your attorney handles everything. You pay nothing unless your case results in a recovery on your behalf.
Why This Breach Matters
Companies across every industry collect and store personal data as part of normal operations — including Social Security numbers for tax compliance, payment card data for billing, and contact information at minimum. When that data is compromised, affected individuals face risks ranging from targeted phishing attacks and identity theft to unauthorized account access and financial fraud.
Massachusetts residents are protected by M.G.L. c. 93H, which gives you the right to pursue legal remedies when a company fails to adequately protect your data.
Common Questions
I received a Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment breach notice — does it mean my data was stolen?
Yes. Receiving a Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment data breach letter, notice, or notification mailing means your personal information was accessed or exposed without authorization. Companies are only required to send these notices when a confirmed breach occurred affecting your data specifically.
Is there a deadline to act after receiving my Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment notification letter?
Yes. Massachusetts and federal law impose statutes of limitations on data breach claims. Once a class action lawsuit is filed by another attorney, the window to be a named plaintiff typically closes quickly. Submitting a free case review now ensures you are positioned before those windows pass. There is no cost and no obligation to find out if you qualify.
How much does it cost to pursue a claim?
Nothing upfront. Representation is 100% contingency-based — a fee is only collected if your case results in compensation. If there is no recovery, you owe nothing at any stage.
Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment was required by law to notify you because your personal data was compromised. That letter is evidence of harm — and the foundation for a legal claim.
Data breach claims have deadlines. The sooner you act after receiving your letter, the better positioned you are to participate and recover.
By joining with other Lincoln Holdings LLC d/b/a/ Monumental Sports & Entertainment Entertainment letter recipients, you have access to legal resources that would be too costly to pursue individually.
You never pay attorney fees out of pocket. Our representation is 100% contingency-based — we only get paid if you recover compensation.
No Fee Unless You Recover
A member of the legal team is available to answer your questions. Or scroll to the top to submit your case review form — free and no obligation.