By Carol Hymowitz, The Wall Street Journal -
In today's knowledge-based economy, businesses walk a fine line between being security savvy about protecting their sensitive data, and creating such a Big Brother atmosphere that they trigger the very brain drain they want to prevent.
Technology gives job-hopping employees an easy way to take reams of data with them when they walk out the door. But that same technology also lets companies track exactly what is downloaded from networks. "To create a fair, efficient and innovative work environment, you can't lock everything down," says Michael Allison, chief executive officer of ICG, a Princeton, N.J., corporate-investigations firm.