Secondary school students have unlimited internet access through technology devices, and they have become part of the virtual citizen. The rise of violence, fraud, digital rape, and the adverse of negative effect of digital socialization gives its own concerns. For these reasons, this study intends to provide a learning module of social guidance to prepare 21 century digital learners to develop awareness towards digital citizenship mindset. The research method uses mixed methods with a qualitative research and development approach when making a module. The stages are named define, design, develop and disseminate. Evaluation used was expert appraisals, audience analysis, and attitude observations. The module is a self-learning material of themes from digital citizenship skills; the curated selves, chatting and red flags, and lastly, hoaxes and fakes, that packed with numerous resources such as video links, article, reflective self-evaluation and interactive scientific resources. The survey conducted resulting that the module is considered effective for learners so they can generate a good social behavior in digital world, a sense of responsibility, increase security, have self-limits on threats and dangers, be confident, and be proficient in using technology in the virtual world. Based on preliminary observations, this study is the first in Indonesia which introduces the concept of digital citizenship through a learning module, ultimately, for secondary school level. Implications for the findings will be on an effort of behavioral changes for learners in secondary school level.