OAuth2 is an authorization framework that makes it possible for a third-party application to access an individual's credentials, given the individual's permission. OAuth2 frameworks make it possible for applications to interact seamlessly with each other. An example of OAuth2 is the ability for individuals to use a Facebook or Google login to log into virtually any website. The websites they are logging into do not have access to the user's login and password data, but they have access to things such as the person's profile name, profile picture, and email address. OAuth2 frameworks serve a critical role, as they establish a framework for developers to access and utilize third-party user data without collecting and archiving it themselves. OAuth2 also provides a vital layer of security and privacy protection.