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Apr 11th, 2015
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Cryptography and Secure Software Development

Consider the use of cryptography in security as well as the stages for an application software security assessment. Use your own experience, the online readings, and research to answer the following questions:

  • A general view of access control from a software perspective is that it is "someone else's problem" such as the operating system or the firewall. What is the reason for this attitude? Why is it good or bad? Justify your conclusion.
  • Cryptography is one of the many security tools but is given more emphasis than most in the media and in most security courses. Explain the limitations of cryptography in your own words. What does cryptography provide? What are the main problems associated with using cryptography? Give at least two security problems that cannot be solved with cryptography. Justify your answers with examples and analysis.
  • Give an example of sensitive data that should be protected by cryptography. Why would this be necessary? Who might stand to gain by exploiting this information if it were not protected?

Research the Open Web Application Security Project (OWASP) organization and the Microsoft Secure Development Lifecycle (MSDL) to answer the following questions:

  • What are the steps in a secure software development lifecycle? Which steps do you feel are most important for protecting the final software that results from this effort? Explain your conclusions.
  • Give at least three tools you would recommend for reviewing a software application in development. Provide specific examples from OWASP, MSDL, or your own research and experience. Briefly explain what each tool accomplishes.

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(Top Tutor) Sucess M
School: Carnegie Mellon University

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