In the present article, the problem of conflict between public power and the interests of the society has been investigated through rethinking the cases of deviation from the principles of fair trial in crimes against security. Violation of the principle of acquittal, the possibility of a retrial, limitation of the right to choose a lawyer, ordering the issuance of arrest warrants, temporary arrest orders and non-access to case documents and the provision of the special revolutionary court and specialized prosecutor among other exceptional cases for instances establishing the principle of criminality in some crimes against security, the possibility of conducting non-public hearings, expanding the powers of judicial officers, possibility of starting a prosecution based on reports and letters whose identity of reporters and authors is not known, facility of confiscating postal items, the duty to prevent all or part of the service or production activities involving disruption of the society's security, control of communications, possibility of not mentioning the reason in the summons and also possibility of bringing a witness is considered as a violation of the principles of fair proceedings which indicates the formation of a different kind of proceedings in relation to crimes against security.