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Official document · full textBulletinMO DCI Bulletin 23-04
23-04 - Reporting Cybersecurity Events to the Department of Commerce & Insurance, October 25, 2023
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v1fetched Jul 19, 2026·effective Oct 25, 202392ecf298cb3a
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INSURANCE BULLETIN 23-04
Reporting Cybersecurity Events to the Department of Commerce &
Insurance
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Issued: October 25, 2023
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The following Bulletin is issued by the Missouri Department of Commerce and
Insurance (“Department”) to inform and educate the reader on the specified issue. It
does not have the force and effect of law, is not an evaluation of any specific facts or
circumstances, and is not binding on the Department. See section 374.015, RSMo.
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To: All insurers writing insurance coverages in the State of Missouri
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From: Chlora Lindley-Myers, Director
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Re: Reporting Cybersecurity Events to the Department of Commerce & Insurance
(Department)
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The purpose of this Bulletin is to respond to and address inquiries the Department has received
with regard to notification requirements in the event of a cybersecurity event.
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Insurers should be aware of the notification requirements related to cybersecurity events that affect
Missouri consumers. These requirements are found in §407.1500 RSMo and are under the purview
of the Missouri Office of the Attorney General.
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Section 407.1500.2(1) RSMo, provides that in the event of a breach:
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“Any person that owns or licenses personal information of residents of Missouri or any
person that conducts business in Missouri that owns or licenses personal information in
any form of a resident of Missouri shall provide notice to the affected consumer that there
has been a breach of security following discovery or notification of the breach.”
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The law also defines what constitutes a breach, under what circumstances a disclosure must be
made, the requirements for disclosure notifications, how notifications must be provided, and when
notice of an event must be reported to the Missouri Attorney General’s Office and consumer
reporting agencies.
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In addition to complying with the requirements of §407.1500 RSMo, the Department requests that
all insurers writing insurance coverages1 in the State of Missouri notify the Department of any
breach of security as defined by §407.1500 RSMo, as soon as practicable, but no later than 10
days, after it has become aware of such a breach. When in doubt as to whether to notify the
Department, insurers are encouraged to report the cybersecurity event as soon as possible.
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Notification to the Department should be sent to the Chief Market Conduct Examiner at the address
above or via email to marketconduct@insurance.mo.gov and, at a minimum, include the following:
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The date the cybersecurity event was identified and how it was discovered.
The identity of the source of the cybersecurity event, if known.
A description of how the information was exposed, lost, stolen, or breached, for example
ransomware, phishing, denial or distributed denial-of-service, etc., including the specific roles
and responsibilities of third-party service providers, if any.
A description of the specific types of information acquired without authorization.
The period during which the information system was compromised by the cybersecurity event.
The total number of Missouri consumers affected by the cybersecurity event.
A description of efforts being undertaken to remediate the situation that permitted the
cybersecurity event to occur.
A description of the steps that will be or have been taken to mitigate damage to affected
consumers, such as sending notifications, credit monitoring, and/or rectifying identity or credit
damage.
Information on whether notice has been provided to the Missouri Office of the Attorney
General, credit bureaus, and any law enforcement agencies, and, if so, when such notification
was provided.
The name of and contact information of a person who is both familiar with the cybersecurity
event and authorized to act for the insurer.
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Any questions or comments regarding this Bulletin should be directed to the Department’s Market
Conduct Section at marketconduct@insurance.mo.gov
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For purposes of this bulletin, “insurers writing insurance coverage in the state of Missouri” shall have the same
meaning as the word “insurer” in section 374.018. That definition is as follows: “’insurer’ shall mean all insurance
companies organized, incorporated, or doing business under the provisions of chapter 354,376, 378, or 380.”