You can list multiple possibilities here, but your research should ultimately be focused on one guiding question. Aim for each idea you list to be a possibility for guiding your entire paper focus.

Your research question should be one for which you can formulate a position through your research. It should not be a question with a single answer that you will locate through your research. For example, "What are the different types of phishing?" is not a good research question because it is one that has a defined answer that you can locate. "What types of phishing will become more common in the next five years and how should businesses be prepared?" is a good research question because you can formulate a position, based on your research, in response to the question.