Leyden
Date of Breach: May to October 2025
Who was affected:
Clients of Leyden
Impacted Data:
Name
Social Security number
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Who was affected:
Impacted Data:
Name
Social Security number
Leyden, a company providing various services, recently disclosed a data breach involving unauthorized access to an email account. The breach exposed sensitive information, including the name and Social Security number of one Maine resident. Affected individuals may be eligible for compensation through a class action lawsuit.
Mark Leyden & Associates, LLC (Leyden) identified a security incident involving unauthorized access to an email account. This breach, which took place between May and October 2025, was discovered on February 23, 2026. After detecting the breach, Leyden immediately took steps to secure its systems and initiated an investigation.
On February 18, 2026, the investigation revealed that the breach involved an email containing the name and Social Security number of one Maine resident. Although the breach was limited to one individual’s information, Leyden took the situation very seriously and acted promptly to notify the affected individual.
On March 24, 2026, Leyden mailed a notification letter to the Maine resident whose data was exposed. Leyden is also offering a one-year subscription to credit monitoring and identity theft protection services through IDX at no cost to the affected individual.
To prevent future incidents, Leyden has implemented enhanced security measures and continues to evaluate its systems and protocols.
The compromised information may have included:
While the breach was limited to one individual, the exposure of sensitive data such as a Social Security number carries a risk of identity theft, fraud, and financial exploitation.
If you received a notification from Leyden or believe your information was compromised in this incident, here are the steps you can take to protect yourself:
If you received a notice from Leyden or believe your personal information was exposed in this breach, you may be eligible to join a class action lawsuit and seek compensation for any harm caused by this breach.
Class action lawsuits allow affected individuals to seek compensation for identity theft, financial fraud, and the inconvenience caused by the breach. By joining a class action lawsuit, you can help hold organizations accountable for their failures in protecting sensitive information.
Contact us at Class Action U, where we’ll connect you with a lawyer experienced in class action lawsuits. If you’ve been contacted about this breach, received notice, or discovered you were impacted, fill out our quick, easy, and secure form to get started. There is no cost to reach out to our legal partner, and no obligation after speaking with someone from our team.
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A data breach occurs when sensitive, confidential, or protected information is accessed, stolen, or disclosed without authorization. Data breaches often occur through phishing emails, malware, weak passwords, insider threats, or unsecured databases. Indicators of a data breach can include unexpected password resets, suspicious account activity, unauthorized transactions, or notifications from companies about compromised information.If you suspect your data has been compromised, you must take measures and act quickly. Change passwords, enable two-factor authentication, review your financial accounts for unusual activity and consider freezing your credit.
Once stolen, your personal information may be sold on the dark web or used for identity theft and financial fraud. In some cases, hackers use the data to extort companies or launch further attacks. Victims often face long-term risks, including damage to credit and privacy.
If you receive a data breach notification, don’t ignore it. Immediately change passwords for the affected account and any others that share credentials. Enroll in any free credit monitoring services offered and monitor financial statements closely.
To pursue a data breach claim, you’ll need documentation showing your information was compromised and proof of resulting harm, such as fraudulent charges, credit score damage, or identity theft reports. Notification letters, financial records, and communication with the breached company can help support your claim.
Yes. If a company fails to protect consumer data or delays notifying victims, it may be held liable under state and federal privacy laws. Many victims join class action lawsuits to recover financial losses and hold negligent organizations accountable.
Data breach settlements vary widely depending on the size of the breach, type of data compromised, and damages suffered by victims. Payouts may include cash compensation, identity theft protection, or reimbursement for losses. Many settlements range from a few hundred to several thousand dollars per person. A skilled data breach lawyer can guide victims through the complex legal process, ensuring their rights are protected. If you’ve received a data breach notification or believe your personal data was exposed, you may be eligible for compensation. Contact Class Action U to learn more about how to join a data breach lawsuit and understand the process of filing.