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Security Mgt U5, risk analysis & mgt (part 2)

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IYM001 Mind Map on Security Mgt U5, risk analysis & mgt (part 2), created by jjanesko on 13/04/2013.
jjanesko
Mind Map by jjanesko, updated more than 1 year ago
jjanesko
Created by jjanesko over 11 years ago
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Security Mgt U5, risk analysis & mgt (part 2)
  1. stages of the risk analysis and management process
    1. stage 1
      1. What is the value of the information being processed?
        1. costs of assets
          1. replacement costs
            1. for software: only valued insofar as it provides competitive advantage
            2. what devalues assets?
              1. modification
                1. unavailability
                  1. disclosure
                    1. destruction
                      1. communication interference
                    2. What parts of the system support which business processes?
                      1. identify assets
                      2. stage 2
                        1. identify threats, vulnerabilities and risk
                          1. What threats affect the system?
                            1. How vulnerable are our systems?
                              1. What conclusions can be reached about the risks to our security?
                                1. assessing a new system for risk
                                  1. I do have a similar system.
                                    1. use stats from this system
                                    2. I don't have a similar system.
                                      1. seek industry stats or best guess
                                    3. types of threats
                                      1. logical
                                        1. communications
                                          1. technical failures
                                            1. human errors
                                              1. physical
                                              2. types of vulnerabilities
                                                1. facilities and functionalities
                                                  1. system dependence
                                                    1. design
                                                2. stage 3
                                                  1. How can the identified risks be met?
                                                    1. countermeasures
                                                      1. kinds
                                                        1. 1. avoid
                                                          1. 2. transfer
                                                            1. 3. reduce threat
                                                              1. 4. reduce vulnerability
                                                                1. 5. reduce impact
                                                                  1. 6. detect
                                                                    1. 7. recover
                                                                    2. review and mark countermeasrues
                                                                      1. installed
                                                                        1. not applicable
                                                                          1. under consideration
                                                                            1. requires management consultation to determine whether or not this countermeasure is applicable or not
                                                                          2. prioritization
                                                                            1. already in place
                                                                              1. covers many threats
                                                                                1. required
                                                                                  1. low cost high effectiveness
                                                                              2. What improvements can be made to existing security?
                                                                                1. gap analysis
                                                                                  1. highlights countermeasures that are not in place
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