This research aimed to examine the relationship between digital citizenship and information security achievements levels. For this purpose, the research was designed in the relational survey model within the scope of quantitative research. The sample of the research consists of teacher candidates studying at the Faculty of Education of Fırat University in the 2022-2023 academic year. To collect the research data, the Digital Citizenship Questionnaire and the Information Security Achievements Scale were used. At the end of the study, it was revealed that the digital citizenship levels of the teacher candidates were high, and the information security attainment levels related to threats and taking precautions were moderate. According to the gender variable, the digital citizenship levels of teacher candidates were found to be significantly higher in favor of females. Information security achievement levels differ significantly in favor of males according to the gender variable. It has been observed that as the information security achievements of the teacher candidates increase, the correct usage, health and social responsibility levels of digital citizenship tend to increase as well.