Time for multifactor authentication?

Sarbanes-Oxley has focused attention on online security, especially for banks and brokerages. One solution that has gained more attention is multifactor authentication, which boils down to an approach requiring more than a user name and password to access a network. Now, many banks and other online service providers have moved to a multifactor approach. You would have to think that a similar approach might be worth pondering when it comes to the internal intranet, especially areas that contain proprietary information. There are some downsides to be sure. One is the cost. The other is sheer pain-in-the-neck factor that comes with a multi-layered approach. Employees will grumble. But it might be worth a shot. Article