(a) If the licensee learns that a cybersecurity event has occurred 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, at a minimum, comply with as many of the following as 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; and
        (4) perform or oversee 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 the licensee learns that a cybersecurity event has occurred or may have occurred in a system maintained by a third-party service provider, the licensee will complete the steps listed in subsection (b) or 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 5 years from the date of the cybersecurity event and shall produce those records upon demand of the Director.
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