Correct Answer: B
Explanation/Reference:
Explanation:
Human-unintentional threats represent the most common source of disasters. Examples of human unintentional threats are primarily those that involve inadvertent errors and omissions, in which the person, through lack of knowledge, laziness, or carelessness, serves as a source of disruption.
Incorrect Answers:
A: A more knowledgeable fraudster would increase the risk of Computer Crimes, but it is less of a factor compared to human carelessness.
C: Collusion makes computer crimes possible, but human carelessness is the main factor.
D: System design flaws makes computer crimes possible, but human carelessness is the main factor.
References:
Conrad, Eric, Seth Misenar and Joshua Feldman, CISSP Study Guide, 2nd Edition, Syngress, Waltham,
2012, p. 347