One of the major goals of any political system is to protect the security of the nation against propaganda activities in cyberspace carried out with the aim of soft subversion and civil disobedience. There are provisions for this matter in Iran’s Penal Code. The purpose of the study is drawing the legislator’s attention to the importance of criminalizing such activities with respect to its background in cyberspace. The present research attempt to answer the fundamental question of what constitutes the basis of the crime of propaganda activities against the security of the Islamic Republic of Iran in cyberspace? The research results show that the legal basis of the propaganda activities against the security of the Islamic Republic of Iran in cyberspace is provided in Article 500 of the former Penal Code, 731 of the new Islamic Penal Code and 21 of the Cybercrime Law. Its material basis includes propaganda activity against the Islamic Republic or for the benefit of opposition groups and organizations while its virtual basis is general and specific bad faith, which means the deliberate intention to breach, subvert and undermine the governing system. Therefore, any propaganda activity in cyberspace, which undermines the security and dignity of the nation must be criminalized and punished

Criminalization of an act in cyberspace, and limits of other formal, and informal control means is considered as a determining factor for liberation scope; so it should have strategic principles. These criminalization principles are: Principle of Criminal Interaction Intervention with Supportive Interventions, the principle of determination of criminal titleschr('39') scope, and other mentioned terms in the Budapest convention on cybercrimes, and additional protocol of 2001, that is a pattern, and guide which determines Selection method, and applying of moral rules, and framework of criteria, and limits based on certain theoretical bases, and normative considerations. In an analytical-descriptive manner, this paper tries to answer this question how much an action is considered in two legal systems of Iran, and Germany to criminalization in cyberspace, and what the useful findings of German criminal system for Iran criminal system are? Findings show that German legislator has made, according to cybercrimeschr('39') convention and some international instruments, a determination between criminal scope and limits, and used of pecuniary based on administrative, and civic enforcements as much as possible. But this determination has been not made by Iranian legislator.

Prevention of e-money laundering has a defensive aspect from two perspectives.One of the perspectives of the crime scene is cyberspace, which,with protecting the subject of crime takes precedence over preventing the occurrence of crime,and preventive measures are in the position of protecting computer values so that the perpetrator does not touch them.Unlike crime prevention in the traditional or physical space,the authority to act is in the hands of the perpetrators, but in cyberspace,the perpetrator is in the hands of the perpetrators, and the perpetrator is more of a guard than an opportunity to commit a crime.The second is from the perspective of electronic financial exchanges, which are based on features such as speed, mass and spatial diversity in practice,out of reach of preventive measures.What will be an open environment for mastering and creating controlling software measures is only the limited financial institutions,but this mastery in exchanges is minimized. In this regard,the prevention officer inevitably resorts to a defensive approach in crime prevention.This article,based on library and Internet resources and in a descriptive and analytical manner, tries to examine the challenges and strategies to prevent e-money laundering from the point of view of defensive and offensive measures.The approach is based on the defense approach in the prevention of e-money laundering,according to which the values of cyberspace on the one hand and the effectiveness of preventive measures in cyberspace on the other require financial exchanges in cyberspace in terms of origin.And control the origin and the direction of the exchange path.

The prevention of child victimization in cyberspace is the subject addressed in this article. The issue of crime prevention has permeated all levels of society, and one of the most significant areas is crime prevention in cyberspace. Traditionally, prevention has been divided into situational and social categories. Both models of prevention may be applicable to child victimization in cyberspace. Since threats in the virtual space lead many children astray and can be considered one of the most significant factors endangering their individual and social well-being, we first examine the risk factors and then discuss situational methods for preventing child victimization in cyberspace.