1. Explain how the meaning of the word hacker changed between the 1950s and the 1990s

2.Briefly relate the story of the Firesheep extension to the Firefox browser. What capability did Firesheep provide its users? What happened after Firesheep was released? Was Eric Butler wrong to release Firesheep to the public?

3.Explain the similarities and differences between computer viruses and computer worms.

4. What is a cyber attack? Give two examples of politically motivated cyber attacks since 2007.