BoxTone, a mobile device management vendor, says security concerns over iPads and PlayBooks can be a bugaboo. And because there are so many flavors of the Android OS, those tablets in particular lack critical enterprise security features.

The debate over tablet security, especially on the iPad, rages on even within the same industry. Earlier this year, Sharon Finney, corporate data security officer at Adventist Health System (AHS), a not-for-profit Protestant healthcare provider with 44 hospitals across 10 states, described to CIO.com her "sandbox" network approach for dealing with .

Late last year, CIO Dick Escue of RehabCare, which operates 35 acute care hospitals and rehab facilities, and outsources therapists around the country, told CIO.com that iPad security was . "There's this myth IT people perpetuate that these Apple devices can't work in the enterprise," he says.

BoxTone, which has deployed 75,000 smartphones and tablets in the enterprise, sees tablets gaining ground in the enterprise in three main markets: healthcare, retail and field services. Sixteen months ago tablets weren't something BoxTone really dealt with, "but by the end of this year they'll account for half of our business," says Brian Reed, vice president of products at BoxTone.

So what about the security of the three major tablet platforms? BoxTone breaks down each: