We’re happy to announce an update to the conditional access preview. This update expands conditional access rules to over 2,400 new apps as well as adding the ability to restrict access to only users coming from a corporate network.
Conditional access allows you to set access rules for individual apps based on conditions such as a user’s group membership and location. App specific policies also give a targeted impact on the overall user experience when additional security, like multi-factor authentication, is required.
Specifically we’ve added:
Conditional access for Password Single Sign-On applications
A conditional access rule to block users that aren’t on the corporate network
Conditional access Visual Studio and Azure RemoteApp
Read more at source: http://blogs.technet.com/b/ad/archive/2015/06/25/azure-ad-conditional-access-preview-update-more-apps-and-blocking-access-for-users-not-at-work.aspx