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Stepping-stone is the most popular way used to attack other computers. Some insiders use stepping-stone to launch their attacks pretending to be outsiders. In this paper, we propose a novel algorithm to detect stepping-stone insider attacks through comparing outgoing and incoming connections. We modify the existing packet matching algorithm by introducing sliding window to make the algorithm more...
Firstly, a classifying model of supplier is proposed. Then the performance evaluation index system is originally constructed based on the dynamic model of supplier.Secondly, the logarithm triangular fuzzy number-AHP method is creatively used to study the strategic supplier performance evaluation index system. It is found that this method is a scientific qualitative and quantitative evaluating strategy...
E-commerce protocols are secure protocols commonly used in ensuring the running of the e-commerce activities, and fairness is the most important security property of e-commerce protocols. A formal analysis approach of fairness based on stand space theory is proposed in this paper. Firstly, strand space model which is used to formally describe fairness of e-commerce protocols is presented. Then, strand...
Most network intruders launch their attacks through stepping-stones to reduce the risks of being discovered. To uncover such intrusions, one prevalent, challenging, and critical way is to compare an incoming connection with outgoing connections to determine if a computer is used as a stepping-stone. In this paper, we present a way by using signal processing technology-correlation coefficient, such...
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