US Patent 11748456 Secure access to shared digital content

In a server configured to operate on a network. secured access to shared digital content is implemented in response to a request from a first user to access one or more content items belonging to a second user. Information about the first and second users is analyzed with a machine learning algorithm to determine a relationship between the first user and the second user. The first user is granted or denied access to the one or more content items based on the determined relationship.