Techniques are described for providing sign-on within a trusted environment across multiple application servers. For example, a method can be provided for a single sign-on within a trusted environment across application servers. The method comprises, by a first application operating within the trusted environment, connecting to a first application server via a first access channel, and retrieving an authentication token from the first application server via the first access channel. The method further comprises, by a second application operating within the trusted environment, connecting to a second application server via a second access channel, and authenticating with the second application server with the authentication token.