QoS²: a framework for integrating quality of security with quality of service

Different security measures have emerged to encounter various Internet security threats, ensuring a certain level of protection against them. However, this does not come without a price. Indeed, there is a general agreement that high security measures involve high amount of resources, ultimately impacting the perceived Quality of Service (QoS). The objective of this paper is to define a framework, dubbed QoS 2 , that provides means to find a tradeoff between security requirements and their QoS counterparts. The QoS 2 framework is based on the multiattribute decision‐making theory. The performance of the QoS 2 framework is evaluated through computer simulations. A use‐case considering worm e‐mail detection is used in the performance evaluation.