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1. Consider how a system with capabilities as its access control mechanism could deal with Trojan horses.
In general, do capabilities offer more or less protection against Trojan horses than do access control lists? Justify your answer in light of the theoretical equivalence of ACLs and C-Lists.
Consider now the inheritance properties of new processes. If the creator controls which capabilities the created process is given initially, how could the creator limit the damage that a Trojan horse could do?
Can capabilities protect against all Trojan horses? Either show that they can or describe a Trojan horse process that C-Lists cannot protect against.
To what extent does ITSEC quantitatively and measurably illustrate practical effectiveness of the security measures it mandates?
What is infrastructure? In what was do hardware and system software qualify as infrastructure? What basic strategic planning questions should be addressed with respect to infrastructure?
Explain a business scenario and specify the types of constraints that would be appropriate to make sure the integrity of the database. For example, an airline reservation system should not make a reservation.
Write one or two statements that make this variable's field's values consistent with the mathematical notion of "origin".
Describe the different parts of the C.I.A. triad and how each can be used to improve the overall security of an information system.
Then calculate message digest on the result. Would this be a good message digest function? Describe. Message digests are reasonably fast.
How could you use a wiki to collaborate with fellow students to improve this course? What security and ethical concerns would you have to consider if you implemented this classroom wiki?
Describe at least three issues/problems with Information Systems Management (ISM) in a named organization.
A number of historians explain concept of the internet as parallel to concept of first printing presses - mass communication.
Explain how concepts such as RISC, pipelining, cache memory, and virtual memory have evolved over the past twenty-five years to improve system performance.
Describe the relationship between certifications and performance? What does "performance" mean and how do you measure it?
What additional communication methods not discussed in the reading do you believe are also beneficial? Explain what they are and how you know about them.
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