Appendix A: Three Rounds of Delphi Questions

The following materials were sent to Delphi respondents over the course of two months to solicit their thoughts as part of the insider threat study. An interval of at least two weeks separated each of the three rounds of Delphi questions.

A. DELPHI ROUND 1 QUESTIONS

1.  What is an insider threat in your view? Are there different kinds of insider threat? Please elaborate.

2.  What do you see or have you seen that is observable in insider tactics?

If it helps to think of specific cases, without revealing any confidential or sensitive details, please comment on these questions in relation to a significant case you have experienced:

3.  What did the trust betrayer do and for what motives?

4.  What caused ...

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