Find information about a well-known computer virus or worm. Answer as many of the following questions as you can, and be sure to list your sources.

a. What is the name of the virus or worm?

b. When did it first appear?

c. Who wrote it? d. How was it spread?

e. What systems did it attack?

f. What were its observable effects?

g. What are the technical details on how it worked?