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Sun Communities Data Breach Investigation
Shamis & Gentile P.A., one of the nation's premier class action law firms specializing in data breach cases, is investigating the Sun Communities, Inc. data breach.
If you were affected by the data breach, your sensitive personally identifiable information may have been exposed, and you may be eligible for compensation.
About Sun Communities
Sun Communities is a Michigan-based real estate investment trust (REIT) that was founded in 1975. The company specializes in owning and operating manufactured housing communities, recreational vehicle resorts and holiday parks in the United States, Canada, and the United Kingdom.
The company employs about 6,600 people. Sun Communities operates under several brands, including Sun Communities for manufactured housing, Sun Outdoors for RV resorts and Park Holidays UK for holiday parks.
What Happened?
On Jan. 6, 2026, Sun Communities discovered suspicious activity involving two employee user accounts.
Sun Communities activated its incident response procedures, shut down affected systems, restricted compromised user access and engaged third-party forensic specialists. The investigation concluded Jan. 26, 2026, confirming that the incident resulted in unauthorized access, viewing or removal of certain personal information and company data.
The investigation revealed that, on Dec. 25, 2025, and Jan. 5, 2026, an unknown third party used a social engineering scheme to pose as IT support and convinced two Sun employees to complete a fraudulent multi-factor authentication setup. This allowed the unauthorized party to access certain Sun systems and exfiltrate data based on the limited access rights of those accounts.
Information Exposed:
- First and last names
- Addresses
- Dates of birth
- Driver’s license numbers, passport numbers or national ID numbers
- Financial account information (such as bank account numbers and routing numbers)
- Social Security numbers
Sun Communities has filed disclosures with the attorneys general offices of Maine, Massachusetts, and New Hampshire. The company is disclosing the incident via written notice to affected individuals.
So far, 265 individuals have been affected, of which being three individuals in New Hampshire, two individuals in Maine, and one individual in Massachusetts.
You May Be Entitled to Compensation
If your personal information was compromised in the Sun Communities data breach, you may be eligible for compensation. Class action lawsuits can help affected individuals recover damages for the potential harm caused by the exposure of sensitive information. Lawyers are investigating claims and are ready to help guide you through the process.
To find out if you qualify and to take the next step, complete the below form to join the lawsuit investigation.
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