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Certified Information Systems Security Professional (CISSP)

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Computer Security U3 - Access Control

Description

Mind Map on Computer Security U3 - Access Control, created by Nick.Bell2013 on 30/04/2013.

Mind Map by Nick.Bell2013, updated more than 1 year ago

	Created by Nick.Bell2013 about 12 years ago

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Resource summary

Computer Security U3 - Access Control

What is access control?
1. controls interaction
  1. users
  2. system resources
2. security policy
  1. requirements
    1. organisational
    2. statutory
    3. Confidentiality
    4. Integrity
3. Access Request
  1. Reference Monitor
    1. System Decision
4. Subjects
  1. Objects
    1. passive
  2. active
    1. principal
Access Operations
1. flow of information
  1. read
  2. write
  3. execute
  4. append
2. Unix
  1. read
  2. write
  3. execute
3. Bell-LaPadula
  1. info flow policy
  2. access modes
    1. observe
    2. alter
Structures
1. AC Matrix
  1. s,o,a
  2. rows indexed
2. AC List
  1. columns in AC Matrix
3. Capability List
  1. rows in AC Matrix
    1. subject-oriented system
Administration
1. Groups
  1. layer between subjects & objects
2. Roles
  1. collection of access ops assigned to users
3. Groups vs Roles
  1. Role Based Access Control (RBAC)
Security Labels
1. Protection Rings
  1. QNX/Neutrino microkernel
  2. VSTa microkernel
2. BLP
  1. confidentiality policy
  2. all conditions satisfied
  3. 'need-to-know' security latice
    1. label subjects & objects
      1. ordered pair of properties
        security lavel
        'need-to-know' categories

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