The (summary PDF) confirmed that Apple's iPhone is currently the dominant device, present in 77 percent of in the surveyed businesses, ahead of BlackBerry on 70 percent and the rapidly rising Android on 65 percent.

When asked whether their organisation allowed BYOD smartphone use, 71 percent said they did with 47 percent agreeing that company data was being stored on these devices.

Many of these smartphones were not being managed as secure devices, with fewer than one in five adding anti-malware and only half employing data encryption.

Perhaps not coincidentally, mobile malware incidents rose in 2011 with 24 percent reporting evidence of infection, up from nine percent in 2010 and 7 percent in 2009.

"The past three years have been extraordinary for mobile and there are no signs of this abating. Smartphones and tablet computers are having a transformational effect on the way that an organisation does business and manages information," said survey author, Alan Goode.