New Apple operating systems bring security mysteries

Apple’s march toward seamless integration between the Mac, iPhone and iPad worries some security experts who say companies may find it more difficult to prevent data leakage on the devices.

On Monday, Apple introduced Handoff, a feature in upcoming iOS 8 and Mac OS X Yosemite that would let a person start a task on one device and complete it on another. For example, an email started on the Mac could be completed later on the iPad.