The paper covers some of the ethical considerations and principles that researchers need to consider while conducting research within the field of autonomous maritime cyber security. It starts with a brief introduction to the research area and the cyber security risks associated with this. Then moves on to addresses the ethical considerations that researchers must consider. Basic research principles such as honesty, transparency, objectivity, independence, accountability, and fairness are emphasised. Additionally, the paper briefly explores an important socio-technical consideration, industry-sponsored research, and the potential conflicts of interest that arise when conducting such research. The conclusion highlights the importance of conducting ethical research with a high level of transparency.