(a) If the licensee learns that a cybersecurity event has or may have occurred, the licensee or third-party service provider designated to act on behalf of the licensee shall conduct a prompt investigation.
(b) During the investigation, the licensee or third-party service provider designated to act on behalf of the licensee shall, at a minimum, determine as much of the following information as possible:
(1) Whether a cybersecurity event has occurred;
(2) The nature and scope of the cybersecurity event; and
(3) Any nonpublic information that may have been involved in the cybersecurity event.
The licensee or third-party service provider designated to act on behalf of the licensee shall perform or oversee reasonable measures to restore the security of the information systems compromised in the cybersecurity event to prevent further unauthorized acquisition, release, or use of nonpublic information in the licensee's possession, custody, or control.
(c) If the licensee provides nonpublic information to a third-party service provider and learns that a cybersecurity event has or may have impacted the licensee's nonpublic information in a system maintained by a third-party service provider, the licensee shall meet the requirements of subsection (b) or confirm and document that the third-party service provider has met the requirements of subsection (b).
(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.