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Chapter 8 – Administering Security

Chapter 8 – Administering Security. Security Planning Risk Analysis Security Policies Physical Security. Security Planning. Policy Current state – risk analysis Requirements Recommended controls Accountability Timetable Continuing attention. Security Planning - Policy.

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Chapter 8 – Administering Security

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  1. Chapter 8 – Administering Security • Security Planning • Risk Analysis • Security Policies • Physical Security

  2. Security Planning • Policy • Current state – risk analysis • Requirements • Recommended controls • Accountability • Timetable • Continuing attention

  3. Security Planning - Policy • Who should be allowed access? • To what system and organizational resources should access be allowed? • What types of access should each user be allowed for each resource?

  4. Security Planning - Policy • What are the organization’s goals on security? • Where does the responsibility for security lie? • What is the organization’s commitment to security?

  5. OCTAVE Methodologyhttp://www.cert.org/octave/ • Identify enterprise knowledge. • Identify operational area knowledge. • Identify staff knowledge. • Establish security requirements. • Map high-priority information assests to information infrastructure. • Perform an infrastructure vulnerability evaluation. • Conduct a multidimensional risk analysis. • Develop a protection strategy.

  6. Security Planning – Requirements of the TCSEC • Security Policy – must be an explicit and well-defined security policy enforced by the system. • Every subject must be uniquely and convincingly identified. • Every object must be associated with a label that indicates its security level. • The system must maintain complete, secure records of actions that affect security. • The computing system must contain mechanisms that enforce security. • The mechanisms that implement security must be protected against unauthorized change.

  7. Security Planning Team Members • Computer hardware group • System administrators • Systems programmers • Application programmers • Data entry personnel • Physical security personnel • Representative users

  8. Security Planning • Assuring Commitment to a Security Plan • Business Continuity Plans • Assess Business Impact • Develop Strategy • Develop Plan • Incident Response Plans • Advance Planning • Response Team • After the Incident is Resolved

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