(Adapted from an exercise in Bishop, Matt, Introduction to Computer Security.)

Part 2: Distinguish among vulnerability, exploit, threat, risk, and control mechanism (called "countermeasure" in chapter one of the text) in five brief paragraphs. If you do any research outside the textbook, which you are encouraged to do, be sure to cite your sources. You can see how to do that in An Example of Proper Writing in the "Required Reading" section.