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DISCUSSION 1:
"Security Layers" Please respond to the following:
· Analyze the seven security domains of a typical IT infrastructure and determine which two of the seven you would implement first for a nationwide bank. Explain your rationale for your choice.
· Explain the concept of incorporating redundancy throughout and corporate network. There are also times when redundancy can produce a false sense of security primarily based on how it is incorporated in a design. Explain such a case and how to overcome the falsehood.
DISCUSSION 2:
"Protecting the System" Please respond to the following:
· Describe some drawbacks to hardening a computer system which is currently in a production environment and how the fears associated with those drawbacks can be put to rest. Propose how you would proceed in this environment.
· Assess the importance of implementing Authentication, Authorization, and Accounting (AAA) as a security measure. Explain the value AAA holds throughout an organization's network. Identify the layers of the open systems interconnection (OSI) model that are influenced by a typical AAA implementation or solution.
Choose a topic from your major field of study. For example, if you pursuing a degree in education, your topic will come from the education field.
Prepare a short paper of approximately 8-12 ( double spaced)pages investigating the strategic impact of cybersecurity in the organization with a special focus on its ethical and legal implications.
Describe the environment of your forensic workstation and the access to the machine. Describe the procedure that you used to download the image file to your work directory.
Describe an instance of a file that contain evidence of its own integrity and authenticity and describe a malware attack that causes the victim to receive physical advertisements.
block cipher and a stream cipher, Caesar cipher, cryptanalytic attacks, mono alphabetic cipher and a poly alphabetic cipher, Mix Columns, Add Round key, PGP services, traffic padding, contrast link and end-to-end encryption
Would it be reasonable to compute an RSA signature on a long message by ?rst computing what the message equals mod n, for some ?xed n and then signing this computed value only. Why or why not?
you work as a network administrator for a college located in your local city. next door to the college is a new gated
Search the Internet for good examples of cases that involve ethical issues and the abuse of privacy. Provide a review and analysis of your findings.
How has honeypots been used in the field of national security?
Your company has assigned you the task of evaluating its computer networks. You are to write a memo covering 15 points on which you will evaluate the technology, connectivity, and functioning of the company's computer networks
Perform an attack against the cipher based on a letter frequency count: How many letters do you have to identify through a frequency count to recover the key? What is the cleartext?
Prove the security of the MAC scheme you constructed in the previous item. In order to get the full bonus points, you are expected to provide a rigorous security proof and construct a secure MAC scheme by using PRF.
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