CostadelSol Enterprises, LLC data breach
Incident readout
- Company
- CostadelSol Enterprises, LLC
- Reported to
- Massachusetts Attorney General
- Filed
- March 12, 2025
- 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
CostadelSol Enterprises, LLC operates within the high-end hospitality, luxury travel, and property management sectors, curating exclusive resort experiences, high-net-worth residential leasing, and premium concierge services. Because of the nature of its business, the enterprise routinely collects and manages an extensive volume of highly sensitive personal and financial documentation from its clientele and personnel. To facilitate reservations, process substantial monetary transactions, execute lease agreements, and manage comprehensive payroll portfolios, CostadelSol maintains centralized databases containing names, residential addresses, financial account details, government-issued identification numbers, and highly confidential customer preferences. The accumulation of these records makes the organization a prime repository for valuable Personally Identifiable Information (PII). In 2025, CostadelSol Enterprises, LLC formally reported a significant security incident to the Office of the Massachusetts Attorney General, alerting affected individuals that their private data had been compromised. While the precise mechanics of the breach are still under investigation, incidents affecting organizations of this scale typically involve sophisticated external cyberattacks, unauthorized intrusions into digital storage repositories, or vulnerabilities exploited within third-party vendor networks. In the hospitality and luxury management sector, bad actors frequently target legacy databases and poorly secured cloud storage environments to exfiltrate vast troves of unencrypted files, leaving thousands of consumers and employees vulnerable to prolonged digital exposure. The data compromised in the CostadelSol breach includes categories of information that present severe, long-term risks to victims. The exposure of full names, dates of birth, Social Security numbers, and government identification documents creates an immediate pathway for malicious actors to engage in identity theft, open fraudulent credit lines, and execute targeted financial account takeovers. Furthermore, because the company handles high-value transactions and payroll details, the compromise of financial account numbers, routing information, and tax-related data exposes victims to severe monetary fraud, unauthorized wire transfers, and fraudulent tax filings. Once this information is published on the dark web, it cannot be retracted, meaning victims face a lifetime of heightened vulnerability. Under both Massachusetts data privacy statutes and broader regulatory frameworks, CostadelSol Enterprises, LLC had an affirmative legal obligation to implement and maintain robust, reasonable administrative, physical, and technical safeguards to protect sensitive consumer and employee data from unauthorized access. The occurrence of a widespread security breach strongly indicates a failure to adhere to these foundational data protection standards. Failing to properly encrypt stored files, utilizing outdated network security protocols, or neglecting routine vulnerability assessments constitutes a breach of the standard of care expected of an enterprise entrusted with high-risk personal data, potentially exposing the company to significant legal liability. Receiving a data breach notification letter from CostadelSol Enterprises, LLC serves as formal acknowledgment that your private information was compromised due to the company's inadequate security measures. Under the law, this notification establishes the legal standing necessary to participate in a class action lawsuit aimed at holding the organization accountable. Importantly, victims do not need to prove that financial loss has already occurred to join a legal action; the increased risk of future identity theft and the time and expense required to monitor credit are recognized harms. Our firm investigates these matters on a strict contingency fee basis, meaning you pay nothing out of pocket and owe no legal 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 CostadelSol Enterprises, LLC incident: what to do and your options
- What should I do after getting the CostadelSol Enterprises, LLC 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 CostadelSol Enterprises, LLC offer free credit monitoring?
- Look for an enrollment code in your CostadelSol Enterprises, LLC notice. Companies that offer free credit monitoring after a breach usually include it there, with a deadline to activate. Enrolling does not give up your right to bring a claim.
- Can I sue CostadelSol Enterprises, LLC 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 CostadelSol Enterprises, LLC 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 CostadelSol Enterprises, LLC 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 CostadelSol Enterprises, LLC. 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 CostadelSol Enterprises, LLC data breach letter legit or a scam?
- A notice from CostadelSol Enterprises, LLC in the mail matches the breach CostadelSol Enterprises, LLC reported to the Massachusetts Attorney General on March 12, 2025. 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 CostadelSol Enterprises, LLC through a phone number or website you find yourself.
- How much could a CostadelSol Enterprises, LLC data breach settlement or claim be worth?
- There is no set amount, and no CostadelSol Enterprises, LLC 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.