Cloud Security Verification

We design an architecture for the verification of infrastructure clouds with respect to security goals. How can automated tools tackle the complexity of cloud topology?


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Cloud topologies are complex!

Whereas ideal topologies of infrastructure clouds are usually shown in a well-ordered model, we discovered that actual production infrastructure have very complex topologies. How can we approach their complexity in tool-supported analysis?


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Infrastructure Cloud Information Flow Analysis

We pursue the information flow analysis of virtualized infrastructures by graph coloring. Analyzing VM connections, network and storage we ask: How can we discover isolation breaches hidden in the actual configuration?


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Smart Identity Card

European countries establish eID systems, while often debating the privacy benefits anonymous credential systems provide. Are these advanced systems feasible and efficient enough on a standard eID card?


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Infrastructure Cloud Information Flow Analysis

Information flow analysis by graph coloring

We pursue the information flow analysis of virtualized infrastructures by graph coloring. Analyzing VM connections, network and storage we ask: How can we discover isolation breaches hidden in the actual configuration?

We create a system for automated information flow analysis of virtualized infrastructures. The system discovers the configuration of a heterogeneous infrastructure and translates its findings into a graph representation. 

The tool analyzed the information flow and isolation including VLAN associations properties by graph coloring. The tool successfully checked a production in-house of a global financial institution.

Relevant Projects

Cloud Security Verification

Security Assurance for Heterogeneous Virtualized Environments (SAVE)

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