The Maine Office of the Attorney General reported that CUSO Financial Services, LP experienced an external system breach involving hacking that affected a total of 75,116 individuals, including 34 Maine residents. The breach occurred between December 19, 2023, and January 19, 2024, and identity theft protection services were offered for 12 months through Experian.

The Vermont Office of the Attorney General reported a data breach involving CUSO Financial Services, LP on February 16, 2024. The breach occurred on October 20, 2023, due to a vulnerability in an email application that allowed unauthorized access to historical emails, impacting potentially sensitive information such as names. The number of individuals affected and specific details regarding the data accessed are unknown.

On February 16, 2024, the California Office of the Attorney General reported a data breach involving CUSO Financial Services, LP that occurred on July 5, 2022. The breach was due to a vulnerability in the Barracuda Networks email application that allowed unauthorized access to historical emails and attachments, potentially compromising personal information such as names.