What moral principles guide our work? This issue debates many of the ethical questions that confront us in programming, research, safeguarding and volunteering, and in our use of data, new technologies, messaging and images. We each live according to our own personal code of ethics but what moral principles guide our work? The 19 feature theme articles in this issue debate many of the ethical questions that confront us in programming, research, safeguarding and volunteering, and in our use of data, new technologies, messaging and images. Prepare to be enlightened, unsettled and challenged. This issue is being published in tribute to Barbara Harrell-Bond, founder of the Refugee Studies Centre and FMR, who died in July 2018. In a special collection of articles in this issue, authors discuss the legacy of Barbara Harrell-Bond – the impact she had and its relevance for our work today. This issue of FMR will be available online and in print in English and Arabic: www.fmreview.org/ethics

Donors’ thirst for data is increasingly undermining security and confidentiality, putting both survivors of violence and staff at risk.

States are keen to explore the use of new technologies in migration management, yet greater oversight and accountability mechanisms are needed in order to safeguard fundamental rights.

The growing use of data gathered from social media in asylum claim assessments raises critical yet underexplored ethical questions.

The IASFM has agreed an international code of ethics to guide research with displaced people. Challenges that arose during its development merit continued discussion.

A number of ethical issues emerge from working with ‘over-researched’ and ‘under-researched’ refugee groups.

Refugees in Nakivale refugee settlement demonstrate research fatigue, yet a return visit by one particular researcher reveals an interesting twist to the tale.

The situation of the Carteret Islanders, often characterised as the first ‘climate change refugees’, has attracted much research interest. What is the impact of such interest? And are standard ethics compliance processes appropriate?

Researching sexual violence against men and boys in humanitarian settings requires navigating multiple ethics- and accountability-related tensions.

Service providers working in settlement contexts could draw more on research principles in order to better enable new arrivals to understand questions of rights and consent.

As humanitarian agencies increasingly follow the example of academia in establishing ethics review committees, one such agency reflects on the benefits and drawbacks.