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    An Integrated Intelligent Approach to Enhance the Security Control of IT Systems. A Proactive Approach to Security Control Using Artificial Fuzzy Logic to Strengthen the Authentication Process and Reduce the Risk of Phishing

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    PhD Thesis (3.295Mb)
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    Publication date
    2012
    Author
    Salem, Omran S.A.
    Supervisor
    Not named
    Keyword
    Information security; Authentication; Email phishing; Security awareness; Fuzzy logic; Social engineering attacks; Password strength
    Rights
    Creative Commons License
    The University of Bradford theses are licenced under a Creative Commons Licence.
    Institution
    University of Bradford
    Department
    Faculty of Engineering and Informatics, School of Electrical Engineering and Computer Science
    Awarded
    2012
    
    Metadata
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    Abstract
    Hacking information systems is continuously on the increase. Social engineering attacks is performed by manipulating the weakest link in the security chain; people. Consequently, this type of attack has gained a higher rate of success than a technical attack. Based in Expert Systems, this study proposes a proactive and integrated Intelligent Social Engineering Security Model to mitigate the human risk and reduce the impact of social engineering attacks. Many computer users do not have enough security knowledge to be able to select a strong password for their authentication. The author has attempted to implement a novel quantitative approach to achieve strong passwords. A new fuzzy logic tool is being developed to evaluate password strength and measures the password strength based on dictionary attack, time crack and shoulder surfing attack (social engineering). A comparative study of existing tools used by major companies such as Microsoft, Google, CertainKey, Yahoo and Facebook are used to validate the proposed model and tool. A comprehensive literature survey and analytical study performed on phishing emails representing social engineering attacks that are directly related to financial fraud are presented and compared with other security threats. This research proposes a novel approach that successfully addresses social engineering attacks. Another intelligent tool is developed to discover phishing messages and provide educational feedback to the user focusing on the visible part of the incoming emails, considering the email’s source code and providing an in-line awareness security feedback.
    URI
    http://hdl.handle.net/10454/14863
    Type
    Thesis
    Qualification name
    PhD
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    Theses

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