1. What is information extortion? Describe how such an attack can cause losses, using an example not found in the text.
2. Why do employees constitute one of the greatest threats to information security?
3. What measures can individuals take to protect against shoulder surfing?
4. How has the perception of the hacker changed over recent years? What is the profile of a hacker today?
5. What is the difference between a skilled hacker and an unskilled hacker (other than skill levels)? How does the protection against each differ?