In contemporary societies‌,‌the media have become one of the most influential agents shaping adolescents' perceptions of violence‌,‌threat‌,‌and social security. their role in the reproduction of violence and the emergence of perceived insecurity has become an increasingly significant concern within criminological research.The present study aimed to investigate the role of media consumption in the reproduction of violence and to analyze its impact on the formation of perceived insecurity among adolescents in Tehran.,‌this study is applied in nature‌,‌while methodologically it adopts a descriptive-analytical survey design.The statistical population comprised adolescents aged15 to18years residing in Tehran during the Iranian year1403‌(2024–2025).Data were collected using a researcher-developed questionnaire‌,‌the validity and reliability of which were confirmed through Structural Equation Modeling‌(SEM‌)‌indicators.The collected data were analyzed using SPSS and Smart PLS software.The findings revealed that media consumption exerts a positive and statistically significant effect on the reproduction of violence among adolescents.Furthermore‌,‌the results indicated that the reproduction of violence‌,‌in turn‌,‌significantly intensifies adolescents' perceived insecurity.Path analysis of the structural model demonstrated that media influence operates not only directly but also indirectly through reinforcing violent behavioral patterns and facilitating the reproduction of violence‌,‌thereby undermining adolescents' subjective sense of security. suggest that media representations of violence may contribute to the normalization of aggressive behavioral patterns and ultimately diminish adolescents' perceived security.Nevertheless‌,‌the findings also indicate that by adhering to professional ethical standards‌,‌refraining from promoting criminal or violent behaviors‌,‌and strengthening its educational and preventive functions‌,‌the media possess considerable potential to enhance social security and mitigate the reproduction of violence among adolescents.