how many potential insider threat indicators does a person who is married with two children vacations at the beach every year, is pleasant to work with, but sometimes have poor work display?

The employee displays only one potential threat indicator.

Explanation:

The employee is mentioned to have a happy married life and also has two children. There are very high chances that the employee won't do anything that risks his job and brings the future of his family in danger. Hence, the only potential threat that the said employee can cause to the organization is that of poor output in some instances. But that too can be ignored if the employee gets better at work with time.

Two

Explanation:

In this example, the person would have two potential insider threat indicators. First, an indicator would be the fact that the person vacations at the beach every year. As the person is married and has two children, we can assume that it would take a significant amount of money to support this lifestyle. The second indicator would be the fact that this person sometimes has a poor work display.