• A cost-aware model for risk mitigation in Cloud computing systems 

      Kholidy, Hisham A.; Erradi, Abdelkarim ( IEEE Computer Society , 2016 , Conference Paper)
      Security is an important element in Cloud computing. Intruders may exploit clouds for their advantage. This paper presents a cost-aware model for risk mitigation in cloud computing systems. The proposed model is integrated ...
    • A finite context intrusion prediction model for cloud systems with a probabilistic suffix tree 

      Kholidy, Hisham A.; Yousof, Ahmed M.; Erradi, Abdelkarim; Abdelwahed, Sherif; Ali, Hisham Arafat ( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)
      The success of the cloud computing paradigm depends on how effectively the cloud infrastructures will be able to instantiate and dynamically maintain computing platforms that meet Quality of Service (QoS) requirements. ...
    • A finite state hidden markov model for predicting multistage attacks in cloud systems 

      Kholidy, Hisham A.; Erradi, Abdlekarim; Abdelwahed, Sherif; Azab, Abdulrahman ( IEEE , 2014 , Conference Paper)
      Cloud computing significantly increased the security threats because intruders can exploit the large amount of cloud resources for their attacks. However, most of the current security technologies do not provide early ...
    • A hierarchical, autonomous, and forecasting cloud IDS 

      Kholidy, Hisham A.; Erradi, Abdelkarim; Abdelwahed, Sherif; Baiardi, Fabrizio ( IEEE , 2013 , Conference Paper)
      Cloud computing supports distributed service oriented paradigm, multi-domain and multi-users administrative infrastructure. Due to the distributed nature of the cloud environment, it has high intrusion prospects and suspect ...
    • A risk mitigation approach for autonomous cloud intrusion response system 

      Kholidy, Hisham A.; Erradi, Abdelkarim; Abdelwahed, Sherif; Baiardi , Fabrizio ( Springer-Verlag Wien , 2016 , Article)
      Cloud computing delivers on-demand resources over the Internet on a pay-for-use basis, intruders may exploit clouds for their advantage. This paper presents Autonomous Cloud Intrusion Response System (ACIRS), a proper ...
    • An efficient hybrid prediction approach for predicting cloud consumer resource needs 

      Erradi, Abdelkarim; Kholidy, Hisham A. ( IEEE Computer Society , 2016 , Conference Paper)
      The prediction of cloud consumer resource needs is a vital step for several cloud deployment applications such as capacity planning, workload management, and dynamic allocation of cloud resources. In this paper, we develop ...
    • Attack Prediction Models for Cloud Intrusion Detection Systems 

      Kholidy, Hisham A.; Erradi, Abdelkarim; Abdelwahed, Sherif ( Institute of Electrical and Electronics Engineers Inc. , 2014 , Conference Paper)
      In spite of the functional and economic benefits of the cloud-computing systems, they also expose entirely several attacks. Most of the current cloud security technologies do not provide early warnings about such attacks. ...
    • HA-CIDS: A hierarchical and autonomous IDS for cloud systems 

      Kholidy, Hisham A.; Erradi, Abdelkarim; Abdelwahed, Sherif; Baiardi, Fabrizio ( IEEE , 2013 , Conference Paper)
      Cloud computing is an attractive model that provides the delivery of on-demand computing resources over the Internet and on a pay-for-use basis. However, while intruders may exploit clouds for their advantage, most IDS ...
    • Online risk assessment and prediction models for Autonomic Cloud Intrusion srevention systems 

      Kholidy, Hisham A.; Erradi, Abdelkarim; Abdelwahed, Sherif; Yousof, Ahmed M.; Ali, Hisham Arafat ( IEEE , 2014 , Conference Paper)
      The extensive use of virtualization in implementing cloud infrastructure brings unrivaled security concerns for cloud tenants or customers and introduces an additional layer that itself must be completely configured and ...
    • QoS optimization for cloud service composition based on economic model 

      Kholidy, Hisham A.; Hassan, Hala; Sarhan, Amany M.; Erradi, Abdelkarim; Abdelwahed, Sherif ( Springer Verlag , 2015 , Conference Paper)
      Cloud service composition is usually long term based and economically driven. Services in cloud computing can be categorized into two groups: Application services and Computing Services. Compositions in the application ...
    • VHDRA: A Vertical and Horizontal Intelligent Dataset Reduction Approach for Cyber-Physical Power Aware Intrusion Detection Systems 

      Kholidy, Hisham A.; Erradi, Abdelkarim ( Hindawi Limited , 2019 , Article)
      The Cypher Physical Power Systems (CPPS) became vital targets for intruders because of the large volume of high speed heterogeneous data provided from the Wide Area Measurement Systems (WAMS). The Nonnested Generalized ...