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The Internet of Things (IoT) contains a large number of heterogeneous devices with a variety of vulnerabilities. As the vulnerabilities can be exploited by the attackers to break into the system, it is of vital importance to patch all vulnerabilities. However, some vulnerabilities are impossible to patch (e.g., forever-day vulnerabilities). In order to deal with non-patchable vulnerabilities, we propose...
It is difficult to assess the security of modern enterprise networks because they are usually dynamic with configuration changes (such as changes in topology, firewall rules, etc). Graphical security models (e.g., Attack Graphs and Attack Trees) and security metrics (e.g., attack cost, shortest attack path) are widely used to systematically analyse the security posture of network systems. However,...
Dynamic networks can be characterised by many factors such as changes (e.g., vulnerability change, update of applications and services, topology changes). It is of vital importance to assess the security of such dynamic networks in order to improve the security of them. One way to assess the security is to use a graphical security model. However, the existing graphical security models (e.g., attack...
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