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Alan Karp [identifies][1] 11 security questions:

  [1]: http://www.eros-os.org/pipermail/cap-talk/2007-December/009460.html

 * Authentication    Who am I talking to?
 * Authorization     What should I be able to do?
 * Audit                     Who did that?
 * Access control    Should this request be honored?

 * Non-repudiation   Can I pretend I never said that?
 * Confidentiality           Can others see what I'm seeing?
 * Privacy                   Can others see that I'm seeing it?
 * Integrity                 Can this data be changed?
 * Anonymity                 Can others find out who I am?

 * Denial of service         Can I be assured of access?
 * Physical security         Who can touch it?