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Asset Control
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Facilities --> Network --> Desktops --> Applications --> Data are an example of this.
Physical Access
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Reputation is an example of this.
intangible asset
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What is the purpose of layered defense?
to avoid a single point of failure
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These are passive. They respond to a request and have a classification level.
Objects
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Money is an example of this.
tangible asset
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A lock on a door is an example of this.
a reference monitor
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Assets can fall into these two categories.
tangible and intangible
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Physical access and logical access are examples of this.
layered defense
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These are 3 components tied to Privilege Levels.
identify, authenticate, authorize subjects
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What are subjects?
people
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What are the three key components to access control?
tamper proof, always invoked, verifiable
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These are active. They request service and initiate activity. They have clearance levels.
Subjects
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These measures are put in place to prevent collusion
job rotation and mandatory vacations
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Access control must have these 2 items.
rules and logs
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Who determines access rules?
The owner of the asset.
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Mutual exclusivity, dual control and rules all describe this.
Separation of duties
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Separation of duties can be bypassed by this.
collusion
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What is access control?
Access control is the sum total of security. It is who can gain access and what they can do when they get there.
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What are objects?
assets
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Printer, file, application, process, server, memory, building and network are all examples of these.
objects
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Least privilege helps prevent the compromise of this.
confidentiality, integrity and availability
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