What channels should state secret information not be transmitted?

Legal analysis: State secret information shall not be disseminated through short messages, Internet e-mails, ordinary fax machines and other channels. The so-called state secrets refer to matters related to national security and interests that are determined in accordance with legal procedures and known only to a certain range of people in a certain period of time. Keeping state secrets is one of the basic obligations of China citizens. Once the classification of state secrets is determined, it is necessary to make obvious signs on the secret carrier.

Legal basis: People's Republic of China (PRC) Law on Guarding State Secrets Article 21 The production, sending, receiving, transmission, use, copying, preservation, maintenance and destruction of state secret carriers shall comply with the state secrecy provisions. Top-secret state secret carriers should be stored in facilities and equipment that meet the national confidentiality standards, and designated personnel should be assigned to manage them; Without the approval of the original security organ, unit or its superior organ, it shall not be copied or extracted; When sending, receiving, transmitting and executing, designated personnel shall be responsible and necessary safety measures shall be taken.