The news reports a security breach of credit card information at a large department store that has recently laid off many employees. Why should the store investigate the possibility of the breach being from an insider?

a. Because insiders often like to cause disruption and panic among citizens
b. Because insiders sometimes create threats after incidents at their places of employment
c. Because insiders like to breach security to make a political statement
d. Because insiders need practice breaking into networks

The correct answer is option b. "Because insiders sometimes create threats after incidents at their places of employment".

Explanation:

Insider threats are malicious actions originated within the targeted organization. One of the most common sources of insider threats come from former employees that had access to sensitive information, specially when the former employees were laid off and could have resentment to the organization. In this example the targeted organization is a large department store that has recently laid off many employees, situation that makes very likely that the security breach of credit card information came from an insider threat.

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