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Q1) To what extent does ITSEC quantitatively and measurably demonstrate the practical effectiveness of the security measures it mandates? In other words, how well does it objectively measure real-world security? How would this influence your use of this standard in a given computing environment? Be sure that your answer addresses quantitative and measureable practical effectiveness.
As apart of a formal risk assessment of desktop systems in small accounting firm with limited IT Support, you have identified asset "integrity of customer and financial data files on desktop systems" and threat.
Describe what you must do in such a situation. You know that cost to your present employer will increase if ambiguities are not resolved. Though, you also have a responsibility of confidentiality to previous employer.
Let a variant of CBC-mode encryption where sender simply increments the IV by 1 each time a message is encrypted. Illustrate that resulting scheme is not IND-CPA-secure.
Examine about Direct Cash-Payment method
An individual threat can be represented in more than one threat category. If a hacker hacks into a network, copies a few files.
Best known iterative method for calculating roots of a function f (that is, x-values for which f(x) is 0) is Newton-Raphson approximation.
Distinguish between caching and buffering The failure model defines the ways in which failure may occur in order to provide an understanding of the effects of failure. Give one type of failure with a brief description of the failure
UDP and TCP use 1s complement their checksums. Assume you have following three 8-bit bytes: 01010011, 01010100, 01110100. Determine 1s complement of sum of these eight-bit bytes?
Find the contents of memory from address 0x1800 up to, but not including, 0x1809, after this code is executed.
Study a social engineering attack. What made this attack successful?
You are a DBA for corporation's databases. The management has decided to increase security by applying database auditing yet they are unspecific what actions to audit.
Given the following business scenario, create a Crow's Foot ERD using a specialization hierarchy if appropriate.
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