Mission Community Hospital (dba of Deanco Healthcare LLC) notified patients of unauthorized access to its IT network on May 1, 2023. An external party accessed files containing patient information, including names, addresses, dates of birth, Social Security numbers, driver's license numbers, financial account information, health insurance IDs, claims data, and clinical information. The hospital engaged a cybersecurity firm and is offering one year of Experian IdentityWorks. The incident affected residents in California and other states.