IS383-8-SecuringPhysicalAssets.ppt

IS383-8-SecuringPhysicalAssets.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 8: Securing Physical Assets Source: Chapter [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: Discuss the relationship between information security and physical security Describe key physical security considerations, including fire control and surveillance systems Identify critical physical environment considerations for computing facilities, including uninterruptible power supplies
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Click to edit Master text styles Second level Third level Fourth level » Fifth level 3 Introduction Physical security addresses design, implementation, and maintenance of countermeasures that protect physical resources of an organization Most controls can be circumvented if an attacker gains physical access Physical security is as important as logical security
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Click to edit Master text styles Second level Third level Fourth level » Fifth level 4 Introduction (cont’d.) Seven major sources of physical loss: Extreme temperature : heat, cold Gases : war gases, commercial vapors, humid or dry air, suspended particles Liquids : water, chemicals Living organisms : viruses, bacteria, people, animals, insects Projectiles : tangible objects in motion, powered objects Movement : collapse, shearing, shaking, vibration, liquefaction, flow waves, separation, slide Energy anomalies : electrical surge or failure, magnetism, static electricity, aging circuitry; radiation: sound, light, radio, microwave, electromagnetic, atomic
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Click to edit Master text styles Second level Third level Fourth level » Fifth level 5 Introduction (cont’d.) Physical security is designed and implemented in several layers Each community of interest in the organization is responsible for components within these layers Community roles General management : responsible for facility security and the policies and standards for secure operation IT management and professionals : responsible for environmental and access security in technology equipment locations and for the policies and standards of secure equipment operation Information security management and professionals : perform risk assessments and implementation reviews
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Click to edit Master text styles Second level Third level Fourth level » Fifth level 6 Physical Access Controls Secure facility : physical location engineered with controls designed to minimize risk of attacks from physical threats Secure facility can take advantage of natural terrain, traffic flow, and degree of urban development; can complement these with protection mechanisms ( fences , gates , walls , guards , alarms )
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