What are the four categories of security threats? Explain and elaborate.

Information
Systems and Network Security
Assignment 1
Dear students,
This is your first assignment for this course that accounts for 30% of your total marks
for the course.
Please provide an elaborate answer on each of the following questions:

1. Explain the basic task for security service.
2. Define threat and attack.
3. What are the four categories of security threats? Explain and elaborate.
4. Explain active and passive attack with example? Please elaborate on your
   answer.
5. Define and elaborate on integrity.
6. Define confidentiality. Give some examples of events. Think outside box.
   Word Count: 5000 words (maximum)