network security and cybersecurity mgnt na2

Hello ,

Please upload 3 below questions in a saperate word document , with ZERO plagarism

1) Cybersecurity planning and management

a)Select below aticle and summarize the reading in your own words. Your summary should be 2-3 paragraphs in length and uploaded as a TEXT DOCUMENT.

What is most important is that you use YOUR OWN WORDS to summarize the news article. It is essential that you do not copy text directly from the Internet. Plagiarism is unacceptable. You can easily avoid this by rephrasing the contents and summarizing it using your own words.

http://topics.nytimes.com/top/reference/timestopics/subjects/c/computer_security/index.html

b )In your own words, explain what the following terms mean to you as they apply to information security and safe computing: Confidentiality, Integrity, and Availability. Why are these factors so important to businesses?

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2)Network security

  • 2.1 What are the essential ingredients of a symmetric cipher?
  • 2.2 What are the two basic functions used in encryption algorithms?
  • 2.3 How many keys are required for two people to communicate via a symmetric cipher?
  • 2.4 What is the difference between a block cipher and a stream cipher?
  • 2.5 What are the two general approaches to attacking a cipher?
  • 2.6 Why do some block cipher modes of operation only use encryption while others use both encryption and decryption?
  • 2.7 What is triple encryption?
  • 2.8 Why is the middle portion of 3DES a decryption rather than an encryption?

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