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Sensitive information leaking of network servers attacked by malwares or hackers is a serious security risk of Internet. The paper presents a dynamic taint tracking based method to automatically detect sensitive data leaking. The method automatically tags sensitive data as taint data and monitors the propagation of taint data in memory. If the sensitive data is sent by sockets or written into files,...
Software defined networking brings many possibilities to network security, one of the most important security challenge it can help with is the possibility to make network traffic pass through specific security devices, in other words, determine where to deploy these devices logically. However, most researches focus on high level policy and interaction framework but ignored how to translate them to...
Exactly assessing the security risk of a network is the key to improving the security level of the network. The hidden Markov model based real time network security risk quantification method can get the risk value dynamically and in real-time, whose input is intrusion detection system alerts. The method is better than the traditional static assessment method. The paper resolves main fault of this...
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