Data Breach Law Group Investigates the Kosmos Management LLC Data Breach
By Data Breach Law Group | Posted on January 2, 2026 · New Hampshire
Miami, FL — Data Breach Law Group is investigating a data breach involving Kosmos Management LLC, reported to the New Hampshire Attorney General on January 2, 2026. The firm is reviewing whether affected individuals have legal claims arising from the incident.
Kosmos Management LLC appears to be a professional services or property management firm that oversees complex administrative and financial operations. In the course of their business, they typically collect and store sensitive personal information, including names, Social Security numbers, financial account details, and government-issued identification records necessary for client or tenant management. This security incident was officially reported to the New Hampshire Attorney General in 2026, confirming that unauthorized access to their systems occurred. If you have received a data breach notification letter from the company, it indicates that your personal information was likely contained within the compromised files. We encourage you to review the provided documentation carefully to understand the scope of the exposure and the protective measures being offered.
If you were affected
Stay alert to targeted scams
Be cautious of calls, texts, or emails that reference this breach. Legitimate organizations won't ask you to confirm sensitive details through an unsolicited message.
Keep your notification letter
Save the notice you received. It documents that your information was involved and is often needed to enroll in any credit monitoring offered or to join a related legal claim.
Did you receive a letter from Kosmos Management LLC?
A case review is free and confidential. Tell us about your letter and we will explain your options.