Memberclose LLC Breach Investigation
In December 2025, it was discovered that Memberclose LLC, a financial services organization, experienced a significant data breach affecting a total of 4,845 individuals. This breach raises serious concerns about data privacy and security, especially for those whose personal information may have been compromised.
About Memberclose LLC
Memberclose LLC is a provider of financial services located at 845 Donald Lynch Blvd, Marlborough, MA 01752. The organization specializes in offering various financial solutions to its clients, making the protection of personal and financial data paramount.
What Happened
The breach occurred over a span of two days, from October 29 to October 30, 2025. It was a result of an external hacking incident that compromised the security of the organization’s systems. The breach was officially discovered on December 15, 2025, prompting immediate action to notify affected individuals.
Notification letters were sent out on January 15, 2026, providing details about the breach and the potential risks involved. In addition, identity theft protection services were offered through Kroll, including credit monitoring for those affected.
Next Steps
If you believe you may have been affected by this breach, we encourage you to reach out to us at Srourian Law Firm (SLFLA). Our team is here to help you understand your options and the steps you can take to protect your personal information. Don’t hesitate to contact us for a consultation regarding your rights and available remedies.
LINKS:

Srourian Law Firm is investigating a potential class action lawsuit against Memberclose LLC for a recent data breach.
If you received a NOTICE OF DATA BREACH letter from Memberclose LLC, complete the form below so we can discuss your legal options.
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