"Integrates with business.
iPad integrates with Microsoft Exchange, Lotus Domino and standards-based messaging environments, to provide your users push email, calendar and contacts, right out of the box. And iPad supports the most common corporate VPN and Wi-Fi protocols for secure access to your company’s networks.

Data on iPad is secure, with full device encryption and support for passcode and other remote management policies. " - Apple description of iPad.

So even in a power mad IT department can have some measure of control.