InformIT: Passwords: So Important, Yet So Misused > Passwords: "President Obama's Twitter account was compromised because of a simplistic security failure on the Twitter website. Sarah Palin's Yahoo! account was compromised because of the growing security interdependence among too many websites. Microsoft MVP and CISSP-ISSAP John Traenkenschuh illustrates basic password best practices, pointing out the new problems that Web 2.0 brings to all of us, not just important politicians."