Basic authentication
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Microsoft Exchange 2007
A widely used industry-standard method for collecting user name and password information. Basic authentication is supported by most browsers. This authentication method prompts the user for a user name and a password, also called credentials, which are sent unencrypted over the network. Basic authentication is also known as plaintext authentication. [Exchange 2007]
Java
An authentication mechanism in which a Web server authenticates an entity via a user name and password obtained using the Web application's built-in authentication mechanism.