Web services security, an extension of the IBM Web services engine, provides a quality of service.
Transport-level security is based on Secure Sockets Layer (SSL) or Transport Layer Security (TLS) that runs beneath HTTP. Transport level security can be used to secure Web services messages. A simple way to provide authentication data for a service client is to authenticate to a protected service endpoint using HTTP basic authentication.
Protect the integrity and confidentiality of a message and associate security-related claims with the message.