Preventing organized crime in correctional institutions is a serious challenge that involves linking inmates with external networks. This crime is very common in the prison environment, so it needs serious handling. The aim of this research is to understand the legal framework governing prevention and identify weaknesses in its implementation. Effective prevention efforts, through legal and rehabilitation approaches to reduce the risk of crime. The research method uses normative juridical and empirical juridical to analyze efforts to prevent organized crime in prisons, as well as actions taken by community counselors and law enforcement officers in accordance with applicable regulations. The results of the discussion show that prisoner development, stricter supervision, education regarding the impact of organized crime, as well as the application of information technology to increase the effectiveness of supervision. Prevention of organized crime in correctional institutions (prisons), its implementation still faces various challenges. Based on interviews with community counselors and prison officers in prisons, although Law no. 22 of 2022 concerning Corrections provides a solid legal basis for rehabilitation, supervision and prevention of organized crime, implementation in the field is still hampered by various obstacles. The conclusion is that one of the main problems faced is limited adequate facilities and infrastructure, as well as a lack of adequate training for prison officers to identify and deal with potential threats from organized crime. Although surveillance technology such as CCTV and data-based reporting systems have begun to be implemented, the use of this technology is not yet optimal due to limited budgets and lack of integration between existing systems.