I know from talking to customers and colleagues that mobile devices cause all sorts of security headaches. It’s all very well having your desktops and laptops locked down and secure, but no company can ignore Blackberries and other mobile devices. And keeping laptops of remote workers properly updated and set up with security software is notoriously difficult.
This article in Network World has some useful perspectives, but I think it misses the most important point. If you put your email security and data loss prevention technology onto the email server, not the mobile device, then you’re protected for any messages that go through the server – whether users have sent them from desktops, laptops, PDAs, or whatever. Simple but effective.