via Forbes...
Social networking already has passed through the firewall of every company on the planet. Now CIOs need to ask, "What else snuck in with it?"
Facebook, LinkedIn and MySpace already are a part of employees' lives. They're also one of the greatest tools for hackers to gain entry into the corporate enterprise, no matter how impenetrable a company thinks it is from the bad guys. And it's not just the 20-something employees. With workers of all ages showing growing angst over their jobs, they've been flooding onto LinkedIn to build up their contact lists in case they get laid off.
Top executives at Netragard, which specializes in ethical hacking, claim their team can gain access to any data inside almost any enterprise rather quickly, often in minutes, by latching onto employee names and gaining access through social networking sites. (more)