The requirement for safe computer systems becomes more obvious as tasks are automated and computers used to hold sensitive data. As applications being deployed accessible across unsecured networks like the Internet, this is becoming obvious. Governments, businesses, financial institutions, millions of daily users now depend heavily on Internet. Computer provide assistance a wide range operation...

information security is one of the most important enterprise assets. for any organization, information is valuable and should be appropriately protected. also, security is to combine systems, operations, and internal controls to ensure the integrity and confidentiality of data and operation procedures in an organization. knowing the fact that with serious threat of unauthorized users on the int...

security has two dimensions of subjective (security feeling) and objective. there are preconditions for security feeling in society that one of the preconditions, the existence of security in the society. these levels are linked together and the interaction between these two levels of objective and subjective that security in the society is achieved.therefore, in this article we have tried to e...