Until recently, computer security was an obscure discipline that seemed to have little relevance to everyday life. With the rapid growth of the Internet, e-commerce, and the widespread use of computers, computer security touches almost all aspects of daily life and all parts of society. Even those who do not use computers have information about them stored on computers. This paper reviews some ...

The current generation of the Internet is based on IPV4 protocol.IPV4 has been a great success on that time but due to less address space and lack of security it does not fulfil the requirement of the exponential growth of the internet. Because of limited address space and lack of security IPV4 is replaced by IPV6, proposed by the network working group of the Internet Engineering Task Force (IE...

security building processes after world war ii, were under the influence of realistic thoughts. this was considered a reaction to idealistic and institutional approaches. critical school attempted to criticize classical and structural realism. new security theoreticians emphasize on extended subjects and diverse threats and believe it to be beyond the competition of countries. they believe that...

Due to wireless nature and hostile environment, providing of security is a critical and vital task in wireless sensor networks (WSNs). It is known that key management is an integral part of a secure network. Unfortunately, in most of the previous methods, security is compromised in favor of reducing energy consumption. Consequently, they lack perfect resilience and are not fit for applications ...

The exponential growth of databases containing personal information has rendered the task of extracting high quality information from collections of such databases very important. This task is hindered by the security concerns that arise, due to the confidentiality of the data records, and the reluctance of the organizations to disclose their data. This paper proposes a clustering algorithmic s...