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In response to a continually advancing threat incurred by untrusted codes from Internet, various virtualization-based technologies have been proposed. Such technologies utilize a software layer, a virtual machine monitor or hyper visor, to achieve the highest privilege in a computer system. Generally, they construct isolated execution environments to run the untrusted code while shielding the other...
The security of the web-service program is a very significant facet in the grid computing environment. A fuzzer is a program that attempts to discover security vulnerabilities by sending random input to an application. How to efficiently reduce the fuzzing data scale with the assurance of high fuzzing veracity and vulnerability coverage is a very important issue for its effective practice. In this...
Because of wide area deployment, heterogeneity, dynamism, and other characteristics of large-scale distributed system (LDS), experimental environment supporting dynamic analysis is important for vulnerability analysis of LDS. In this paper, we summarize the requirements of experimental environment for LDS vulnerability analysis, propose and establish a universal emulation experimental environment...
In this paper the idea of active security situation sensing is introduced. The active security situation sensor which is different from the traditional sensor such as firewall or IDS, can capture attack intention and predict attack trends before attack occurs to productive system. The design and implementation of our A3S are described, and the whole system of security situational awareness is also...
Java is widely used because its security and platform independence. Although Java's security model is designed for protecting users from untrusted sources, Java's security is not under fully control at the application level. A large number of Java classes or Java class libraries have been used in network iquest application development, whose source is unknown and trust unassured. Analyzing the vulnerability...
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