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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Smart Identity Card

Artiest conception of the actual prototype (the real card has the chip on the back)

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?

Anonymous credential systems are a powerful primitive to establish privacy for the users as well as security guarantees for issuers and service providers. At IBM Research, we established the first anonymous credential system on a standard Java Card. The credential system was autonomous, that is, did not rely on help from the terminal, used strong key-sizes and was quite fast.

In fact, we realized the credential system on an eID specimen with some years old off-the-shelf hardware underneath.

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Smart Identity Card

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