Ethnographic practice in contentious and high-risk spaces raises important ethical and methodological questions. When working with grassroots activists who actively avoid forms of surveillance, the boundary between consensual observation and potentially harmful documentation becomes difficult to discern. This article aims not only to identify the gaps in qualitative research methodologies for scholars working with grassroots activists, but also to think of practical ways in which researchers should mitigate concerns both for participants and themselves. Based on fieldwork in Australia, the author explores the ethical, methodological, and emotional dilemmas of conducting research with activists as a militant ethnographer. The article argues that activist-centred project designs must consider the challenges between the researcher's mandate to collect data and their responsibility to uphold security culture both in and outside activist spaces. Reflexive research ethics, further, should be a part of ongoing research engagement to address the emotional tensions overlooked in standardized ethical protocols.