Ohio Rev. Code Ann. § 2911.21
(A) No person, without privilege to do so, shall do any of the following:
(D)
(F) As used in this section:
(4) "Critical infrastructure facility" means:
(a) One of the following, if completely enclosed by a fence or other physical barrier that is obviously designed to exclude intruders, or if clearly marked with signs that are reasonably likely to come to the attention of potential intruders and that indicate entry is forbidden without site authorization:
(d) An electronic asset of any of the following: