Social processes are increasingly shaped by modern communication technologies, consequently making them subject to the challenges and fragilities of cybersecurity matters. Conversely, cybersecurity experts more and more acknowledge that human action, practices, social norms, institutional routines, and political expectations play a major role in both causing and preventing digital threats. Expanding on the burgeoning field of social scientific studies of cybersecurity, the contributors from sociology, informatics, and science and technology studies explore transdisciplinary insights about how cybersecurity affects society: how it shapes the ways we live, work, and interact in a heavily digitalised present.