And these phones, which have become our constant companions and virtual extensions of our bodies, are increasingly being used to track our physiology from moment to moment.

CNN: Is personalized medicine a myth?

In parallel, define a security architecture and migration strategy that provides security through browsers, Secure Sockets Layer and passwords in the short run, and gets you started on PKI by deploying technologies such as IP Security virtual private networks and the Secure Multi-purpose Internet Mail Extensions e-mail standard.

CNN: Easy-to-use PKI is key to cryptography's success