Computer Network Security

Suppose that you have n accounts, each of which requires a password. Trudy has a dictionary and the probability that a password appears in Trudy’s dictionary is p.

a. If you use the same password for all n accounts, what is the probability that your password appears in Trudy’s dictionary?

Don't use plagiarized sources. Get Your Custom Essay on
Computer Network Security
Just from $13/Page
Order Essay

b. If you use distinct passwords for each of your n accounts, what\ is the probability that at least one of your passwords appears in Trudy’s dictionary? Show that if n = 1, your answer agrees with your answer to part a.

c. Which is more secure, choosing the same password for all accounts, or choosing different passwords for each account? Why?

Suppose that Alice uses two distinct passwords—one strong password for sites where she believes security is important (e.g., her online bank), and one weak password for sites where she does not care much about security (e.g., social networking sites).

a. Alice believes this is a reasonable compromise between security and convenience. What do you think?

b. What are some practical difficulties that might arise with such an approach?

Place Order
Grab A 14% Discount on This Paper
Pages (550 words)
Approximate price: -
Paper format
  • 275 words per page
  • 12 pt Arial/Times New Roman
  • Double line spacing
  • Any citation style (APA, MLA, Chicago/Turabian, Harvard)

Try it now!

Grab A 14% Discount on This Paper

Total price:

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.