The criminal response to public rights violations in online terrorist activities, particularly within the digital legal systems of the UK and France, is one of the complex challenges in the digital world and cyberspace. With the increasing use of online platforms for committing terrorist activities, such as promoting violence, recruitment, and illegal financing, public rights, including individual security, social order, and public trust, are facing significant threats. In this regard, the digital legal systems of the UK and France have introduced specific criminal regulations to address violations of public rights in the digital space. The UK adopts a flexible approach, particularly in regard to online terrorist activities, using regulations that allow for a broader response, while France has implemented more stringent measures, adopting special regulations to tackle these activities and removing illegal content. This study analyzes and compares the digital legal systems of the UK and France in addressing public rights violations resulting from online terrorist activities, examining the challenges and limitations of these regulations. In order to ensure public security and protect public rights, it is crucial that counterterrorism laws in the UK and France be revised. The boundaries between terrorist activities and freedom of expression must be clearly defined to prevent misuse. Regulatory bodies should be independent and advocate for individual rights. Additionally, international cooperation, the development of common standards, and the use of modern technologies with respect for human rights are essential in combating online terrorist activities. Reforms in laws and processes to create a balance between security and public rights are necessary.