Description: Open data security refers to the practices and measures implemented to protect information that is publicly accessible, preventing unauthorized access and data breaches. As organizations and governments adopt transparency and open data policies, the need to safeguard this information becomes crucial. Open data security involves the application of encryption techniques, authentication, and access control, as well as the implementation of privacy policies that ensure data is not misused. Additionally, it is essential to establish incident response protocols to mitigate the impact of any security breach. The protection of open data focuses not only on the integrity and confidentiality of information but also on the availability of data, ensuring that authorized users can access it without issues. In a world where information is shared and used more widely, open data security becomes an essential pillar to foster trust in the use of public data and collaboration between different entities.