California Code, Business and Professions Code - BPC § 22947.4

(a) A person or entity, who is not an authorized user, as defined in Section 22947.1, shall not do any of the following with regard to the computer of a consumer in this state:

(b) Nothing in this section shall apply to any monitoring of, or interaction with, a subscriber's Internet or other network connection or service, or a protected computer, by a telecommunications carrier, cable operator, computer hardware or software provider, or provider of information service or interactive computer service for network or computer security purposes, diagnostics, technical support, repair, authorized updates of software or system firmware, authorized remote system management, or detection or prevention of the unauthorized use of or fraudulent or other illegal activities in connection with a network, service, or computer software, including scanning for and removing software proscribed under this chapter.