IS383-6-SecurityTechnology.ppt

IS383-6-SecurityTechnology.ppt - IS383 Second level...

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Click to edit Master text styles Second level Third level Fourth level » Fifth level 1 IS383 Information systems Security Unit 6: Security Technology (Wireless, VPNs, Firewalls, Prevention Systems, Intrusion Detection, and Other Security Tools) Source: Chapter 6&[email protected] Michael E. Whitman and Herbert J. Mattord (2012): Principles of Information Security , 4 th Edition. Course Technology, Cengage Learning
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Click to edit Master text styles Second level Third level Fourth level » Fifth level 2 Learning Objectives Upon completion of this material, you should be able to: Recognize the important role of access control in computerized information systems, and identify and discuss widely-used authentication factors Describe firewall technology and the various approaches to firewall implementation Identify the various approaches to the authentication and authorization of users Identify and describe the categories and operating models of intrusion detection and prevention systems Define and describe honeypots, honeynets, and padded cell systems List and define the major categories of scanning and
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Click to edit Master text styles Second level Third level Fourth level » Fifth level 3 Introduction Technical controls are essential in enforcing policy for many IT functions that do not involve direct human control Technical control solutions improve an organization’s ability to balance making information readily available against increasing information’s levels of confidentiality and integrity Access control : method by which systems determine whether and how to admit a user into a trusted area of the organization
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Click to edit Master text styles Second level Third level Fourth level » Fifth level 4 Authentication Identification: mechanism whereby an unverified entity that seeks access to a resource proposes a label by which they are known to the system Supplicant: entity that seeks a resource Authentication: the process of validating a supplicant’s identity Authorization : the matching of an authenticated entity to a list of information assets and corresponding access levels
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Click to edit Master text styles Second level Third level Fourth level » Fifth level 5 Authentication (cont’d.) Authentication factors Something a supplicant knows Password Passphrase Something a supplicant has Dumb cards : Smart card Token Biometric or Behavioral Characteristics
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Click to edit Master text styles Second level Third level Fourth level » Fifth level 6 Token examples
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Click to edit Master text styles Second level Third level Fourth level » Fifth level 7 Biometric examples
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Click to edit Master text styles Second level Third level Fourth level » Fifth level 8 Firewalls Prevent specific types of information from moving between the outside world ( untrusted network ) and the inside world (
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  • Winter '17
  • reham
  • Virtual private network, text styles, Padded cell Systems

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