Kosmos Management LLC Reports Breach of Personal Information

Kosmos Management LLC, a firm known for managing complex administrative and financial operations, has formally acknowledged a data security incident. This report details information provided in their official filing with regulators.

The company disclosed that unauthorized access to its systems occurred. While the exact date of the breach remains unknown, Kosmos Management LLC reported the incident to the New Hampshire Attorney General on January 2, 2026. The specific nature of the breach and the types of information involved were not detailed in the public filing.

Due to the nature of Kosmos Management LLC's business, which typically involves handling sensitive personal information for client or tenant management, individuals who have received a direct notification letter should carefully review it. Such letters would confirm if their personal information was among the data accessed.

If you have been notified, it is advisable to remain vigilant against potential misuse of your information. This includes monitoring financial accounts for unusual activity and being cautious of unsolicited communications, such as phishing attempts that might try to exploit the incident.

The company has indicated that an investigation into the scope and impact of this security incident is currently underway. Further details may become available as their assessment progresses.