Thailand’s Cybersecurity Regulating Committee (CRC) released a notification under the Cybersecurity Act on February 22, 2024, setting key operational obligations for critical information infrastructure (CII) organizations. The notification takes effect on June 20, 2024. CII organizations are state or private entities that carry out services related to national security, public services, banking and finance, information technology and telecommunications, transportation and logistics, energy and public utilities, or public health. CII organizations will be identified by the National Cyber Security Committee (NCSC) and notified of their status. The key obligations of CII organizations are laid out below. Reporting to the National Cyber Security Agency (NCSA) CII organizations must provide the following to the NCSA: A list of executive and operational staff, along with emergency contacts who can be reached within 60 minutes in the event of a cyber threat. The NCSA must be notified of any updates to this list within 15 days following any changes. A list of internal departments or individuals who are the responsible persons, owners, and holders of the computer systems, along with emergency contacts who can be reached within 60 minutes in the event of a cyber threat. The NCSA must be notified of any updates to this list at least 7 days prior to any changes (or within 15 days after the change if there is a necessary reason). Policies, Guidelines, and Procedures As specified in the National Cyber Security Committee (NCSC) guidelines, CII organizations must prepare the following internal documents by June 20, 2025: Cybersecurity practice guidelines, consisting of an inspection plan, risk assessment, and incident response plan. Cybersecurity standards framework, consisting of measures for risk identification, risk prevention, threat detection and monitoring, incident responses, and resilience and recovery. CII organizations must also prepare the following: Mechanisms, procedures, and steps for monitoring and detecting