Advanced reaction using risk assessment in intrusion detection systems
Résumé
Current intrusion detection systems go beyond the detection of attacks and provide reaction mechanisms to cope with detected attacks or at least reduce their effect. Previous research works have proposed methods to automatically select possible countermeasures capable of ending the detected attack. But actually, countermeasures have side effects and can be as harmful as the detected attack. In this paper, we propose to improve the reaction selection process by giving means to quantify the effectiveness and select the countermeasure that has the minimum negative side effect on the information system. To achieve this goal, we adopt a risk assessment and analysis approach.
Origine : Fichiers produits par l'(les) auteur(s)
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