Investigation of a cybersecurity event

A. If a licensee learns that a cybersecurity event has or may have occurred, the licensee, or an outside vendor or service provider designated to act on behalf of the licensee, shall conduct a prompt investigation. B. During the investigation, the licensee, or an outside vendor or service provider designated to act on behalf of the licensee, shall do all of the following to the extent possible: (1) Determine whether a cybersecurity event has occurred. (2) Assess the nature and scope of the cybersecurity event. (3) Identify any nonpublic information that may have been involved in the cybersecurity event. (4) Undertake reasonable measures to restore the security of the information systems compromised in the cybersecurity event in order to prevent further unauthorized acquisition, release, or use of nonpublic information in the licensee's possession, custody, or control. C. If a licensee learns that a cybersecurity event has or may have occurred in a system maintained by a third-party service provider, the licensee shall make reasonable efforts to complete the steps required pursuant to Subsection B of this Section or make reasonable efforts to confirm and document that the third-party service provider has completed those steps. D. The licensee shall maintain records concerning all cybersecurity events for a period of at least five years from the date of the cybersecurity event and shall produce those records upon demand of the commissioner.