If you've got a smartphone from your company, check with your IT department that they've got a system in place to lock or wipe your device in the event it is lost of stolen. But if you're working in a SOHO environment where you are your IT department, find a good software match for your own protection.Link2Exchange serves corporate clients but could be right for you. Another option is Trend Micro Mobile Security. A complete security and anti-malware/spam package comes from Kaspersky Mobile Security.
What you want to find is a combination of every-day protections such as antivirus and anti-spam software along with the remote-access actions necessary to clear off your device from your computer in the event the former is lost or stolen.