US Patent 11405379 Multi-factor message-based authentication for network resources

An authentication process that provides secure and verified access to content, such as content presented on websites. At a first instance, users may be validated using a first token, at a second instance, users may be validated or authorized using the first token and an email address, and at a third instance, users may be validated or authorized using the first token, the email address, and the second token. Therein users are authenticated and provided access to the websites. During the authentication process and the during separate instances (or times), if the multiple token(s) are invalid and/or the email address is associated with an unauthorized user, access to the website may be denied.