Securing mobile devices access to an on-premises Exchange Server infrastructure without a hybrid setup is not complicated when using a single-vendor strategy. You simply implement a Mobile Device Management Solution and you are done. Enterprises doing business in the high security industry tend to follow a multi-vendor strategy to reduce the risks due to security flaws in third-party devices.
ENow Software's Exchange blog built by Microsoft MVPs for IT/Sys Admins.
One of the largest challenges many organizations face is how to secure email. Industries such as healthcare and financial have government regulated policy to adhere to such as HIPPA and Sarbanes Oxley. So how do we ensure that our users are not sending out information they shouldn’t be from their desks or mobile devices? Also with the emergence of Bring Your Own Device (BYOD) securing company data is become even more important than it has in the past.