Ohio Rev. Code Ann. § 1354.01
As used in this chapter:
(C) "Data breach" means unauthorized access to and acquisition of computerized data that compromises the security or confidentiality of personal information or restricted information owned by or licensed to a covered entity and that causes, reasonably is believed to have caused, or reasonably is believed will cause a material risk of identity theft or other fraud to person or property. "Data breach" does not include either of the following: