IBM Tivoli Access Manager for Business Integration

is a comprehensive security solution for IBM® MQSeries. It enables MQSeries based applications to communicate securely across a variety of platforms.
This scalable, high-performance solution provides access control to govern which applications or users of those applications can put or get messages to specific queues. It also allows MQSeries applications to exchange data with a guarantee of message integrity and confidentiality by using public encryption keys associated with those applications.
These services are provided transparently to MQSeries applications.