It sounds counterintuitive, but the idea that strong passwords can actually decrease network security is actually quite simple.

A computer user can be reasonably expected to remember one strong password. “H6u;Y0nc” is a lot more cumbersome than “password,” but after a little bit of work the user’s muscle memory takes over and the odd password flies off the finger tips. Strong passwords take a little while to master, but they’re a lot harder for a hacker to guess! 

E-mail is one of the most successful advances of recent decades--it permeates virtually every part of business and our personal lives.  It marries instant gratification with the desire to connect, for both professional and personal needs.  However, we are seeing the same trends with e-mail as with the rapid adoption of the automobile in the last century--safety and security have been afterthoughts.