What's the most dangerous threat to your virtualized systems? Hint: it's not the latest zero-day exploit. The most pressing risk is IT staff who have full privileges in these systems.
Take the February 2011 attack by an IT employee who'd been laid off from a pharmaceutical company. The ex- employee logged in remotely and deleted virtual hosts that ran the company's critical applications, including email, financial software, and order tracking. The company sustained about $800,000 in losses from a few keystrokes, the FBI says.

The link for this article located at Information Week is no longer available.