Bill Clinton, the ex-president of the United States of America at the end of his two presidency period stated that one of his most important successes was the link between internal economy and the foreign policy of the country.  Some general conclusions can be derived from this statement, which include the following and which make the hypotheses of this article: 1- Economic relations are necess...

the prominent features of national security in today's world are dimension change and its nature, taking place dramatically and with high speed. in this respect and in comparison to other areas, what is taken place in regard to information technology is more important. havingsecurity in virtual space is an important subject that is recently taken into account in strategic studies. the natu...

Security provision for protection when employing simulators over the Internet, becomes daily more important for protection of data and operations. This paper identifies the two major activities of registration and message (data) passing. Encryption and decryption are discussed along the issues associated with authentication, digital signatures and certificates, and the need for a Certification ...

The purpose of this study is theoretical and methodological substantiation, deepening of conceptual provisions and development of scientific and practical recommendations for the formation of an integrated sector of national security and defense based on the principles of national resilience. The relevance of this study is due to the need to build national resilience to address the main problem...

the development of effective organizations for service provision and responding to the demands of the citizens in a rapid, easy and suitable fashion has been considered by officials of the public sector in recent years in many countries worldwide. the realization of the importance, application and also the role that itc can play toward promotion of accountability in the public sector, has cause...

Leasing has become an increasingly prominent way for consumers to acquire durable goods such as automobiles. How markets respond to changes in lease contracts has enormous implications to producers such as Ford Motor Company. In this paper, an experimental model was developed to study the interaction between lease contracts that embed an option to purchase and an underlying used-goods market. E...

In accordance with human necessities and deep attention into security, research studies have today became an irrefutable necessity in this area. It is noted that traditional concepts of this important issue have changed, as a result of occurring various events in the past, particularly in the 20th century; so that security is no more limited to protecting human beings against individual and col...