In the last decade, cybercrime has risen considerably. One key factor is the proliferation of
online cybercrime communities, where actors trade products and services, and also learn …

Understanding the landscape of potential harms from algorithmic systems enables
practitioners to better anticipate consequences of the systems they build. It also supports the …

Experiencing online sexual harassment (OSH) poses significant threats to individuals' well-
being, necessitating effective intervention. Addressing OSH requires collaboration across …

Trauma is the physical, emotional, or psychological harm caused by deeply distressing
experiences. Research with communities that may experience high rates of trauma has …

In this work, we demonstrate how existing classifiers for identifying toxic comments online
fail to generalize to the diverse concerns of Internet users. We survey 17,280 participants to …

Content creators—social media personalities with large audiences on platforms like
Instagram, TikTok, and YouTube—face a heightened risk of online hate and harassment. We …

At-risk users are people who experience risk factors that augment or amplify their chances of
being digitally attacked and/or suffering disproportionate harms. In this systematization work …

We investigate how a population of end-users with especially salient security and privacy
risks---sex workers---conceptualizes and manages their digital safety. The commercial sex …

Research involving at-risk users—that is, users who are more likely to experience a digital
attack or to be disproportionately affected when harm from such an attack occurs—can pose …

Popular messaging applications now enable end-to-end-encryption (E2EE) by default, and
E2EE data storage is becoming common. These important advances for security and privacy …