Answers and explanations

  1. Confidentiality means only allowing those authorized to access data gain access. Integrity means that data has not been tampered with. Availability means that data is available when you need it, for example purchasing an airline ticket.
  2. We could place a CCTV camera in a prominent location as a deterrent, people walking past cannot tell if it has film or not, we are using it as a deterrent.
  3. Confidentiality means that we are limiting access to data to only those who should have access.
  4. To stop people entering a datacenter, we would install a mantrap a turnstile device so that we can control who accessed the datacenter one at a time.
  5. An airgap is what it says on the tin, it is a gap between your network and a machinee ...

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