![]() ![]() It specifies a process for resource owners to authorize third-party access to their server resources without providing credentials.Ĭhances are you have dealt with OAuth many times without being aware what it is and how it works. ![]() Generally, the OAuth protocol provides a way for resource owners to provide a client, or application with secure delegated access to server resources. It allows us to get access to protected data from an application. OAuth (short for Open Authorization) is a standard authorization protocol. To understand how this flaw-dubbed nOAuth by the researchers-works we need to take a few steps back and explain how OAuth works. So, how can this be used in an account take-over? And in Microsoft Azure AD OAuth applications that email address can be used as a unique identifier. ![]() In a nutshell, Microsoft Azure AD allows you to change the email address associated with an account without verification of whether you are in control of that email address. Researchers have found that a flaw in Microsoft Azure AD can be used by attackers to take over accounts that rely on pre-established trust. ![]()
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