U2.1 Comp Sec: deals with prevention & detection of unauthorised actions by users of a comp system

Beschreibung

Masters Comp Sec Mindmap am U2.1 Comp Sec: deals with prevention & detection of unauthorised actions by users of a comp system, erstellt von Craig Parker am 02/11/2013.
Craig Parker
Mindmap von Craig Parker, aktualisiert more than 1 year ago
Craig Parker
Erstellt von Craig Parker vor mehr als 10 Jahre
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Zusammenfassung der Ressource

U2.1 Comp Sec: deals with prevention & detection of unauthorised actions by users of a comp system
  1. Accountability & Authorisation
    1. Accountability closely related to detection
      1. Keep audit trails and logs protected so actions affecting Sec can be traced to those responsible
      2. Authorisation related to prevention
        1. Users must be identified and authorised, usernames / passwords
      3. Confidentiality
        1. Prevent unauthorised disclosure
          1. Stop unauthorised viewing
            1. Prevention more important than detecting or reacting
            2. Cant recover from a breach of confidentiality
            3. Privacy
              1. Protecting personal data
              2. Secrecy
                1. Protecting organisational secrets
              3. Integrity
                1. Prevent unauthorised modification
                  1. Internal Consistency
                    1. Clark & Wilson
                      1. No user of a system even if authorised may be permitted to modify data in a way that assets or accounting records are lost /corrupted
                    2. External consistency
                      1. Orange Book
                        1. data has not been exposed to to accidental or malicious alteration or destruction
                      2. Detection of intentional / accidental modifications
                      3. A prerequisite for many security services
                      4. Availability
                        1. Prevent unauthorised withholding of information / resources
                          1. May be the most important aspect of Comp Sec
                            1. DDOS
                            2. Prevention
                              1. Measures to prevent damage
                              2. Detection
                                1. Detecting when, how & who did damage
                                  1. Maintaining the integrity
                                2. Reaction
                                  1. Recovery from damage
                                  2. Reliability & dependability
                                    1. Making systems dependable
                                      1. Extremley important in safety critical systems, national infrastructure
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