Tennessee Code Title 56. Insurance § 56-2-1005

(a) If a licensee learns that a cybersecurity event has or may have occurred, then 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 outside vendor or service provider shall, at a minimum:

(c) If the licensee learns that a cybersecurity event has or may have occurred in a system maintained by a third-party service provider, then the licensee shall complete, or confirm and document that the third-party service provider has completed, the actions required by subsection (b).

(d) The licensee shall maintain records concerning all cybersecurity events for a period of at least five (5) years from the date of discovery of the cybersecurity event and shall provide those records to the commissioner upon request.

(e) If the licensee conducts an investigation or review of a potential or suspected cybersecurity event and determines that an event is not a cybersecurity event, then the licensee must reduce that determination to writing and maintain that writing for a period of at least five (5) years from the date of discovery of the event. The licensee shall provide the writing to the commissioner upon request.