US Patent 11888889 Securing against network vulnerabilities

A method determining, by an infrastructure device in communication with a user device, authentic feature information that indicates a characteristic associated with an authentic feature included in an authentic communication associated with an authentic entity, with which the user device intends to communicate over a network; and transmitting, by the infrastructure device to the user device, authentic entity information that includes the authentic feature information and an association between the characteristic associated with the authentic feature and authentic communication information associated with the authentic communication. Various other aspects are contemplated.