Eisen, Inc., a provider of unclaimed property compliance services, disclosed a data security event affecting personal information of individuals in Massachusetts. The incident involved the misdelivery of a file containing names, addresses, SSNs, dates of birth, and unclaimed property balances. Eisen conducted an investigation, confirmed no further exposure, and notified regulators and third-party partners. Affected individuals were offered 24 months of credit monitoring and identity restoration services via Experian.