Azadeh Alebrahim

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—For accepting clouds and using cloud services by companies, security plays a decisive role. For cloud providers, one way to obtain customers' confidence is to establish security mechanisms when using clouds. The ISO 27001 standard provides general concepts for establishing information security in an organization. Risk analysis is an essential part in the(More)
Design decisions should take quality characteristics into account. To support such decisions, we capture various solution artifacts with different levels of satisfying quality requirements as variabilities in the solution space and provide them with rationales for selecting suitable variants. We present a UML-based approach to modeling variability in the(More)
Affecting multiple parts in software systems, security requirements often tangle with functional requirements. In order to separate crosscutting concerns and increase modularity, we propose to represent security requirements as aspects that can be woven into functional requirements. Using problem frames to model the functional requirements , weaving is(More)
Trustworthiness plays a key role in acceptance and adoption of software by the end-users. When maintaining long-living software systems, trustworthiness has to be addressed since trust of the end-user is volatile and can change over time. In this paper, we discuss the challenges regarding trustworthiness of long-living software systems. Trustworthi-ness(More)