Because of the honeypot effect. There is not much incentive for a hacker to hack an individual machine. he/she is better off targeting efforts towards sites lik

Because of the honeypot effect. There is not much incentive for a hacker to hack an individual machine. he/she is better off targeting efforts towards sites like Dropbox. We saw the skydrive privacy breach yesterday. Before that we saw yahoo leak: http://www.readwriteweb.com/archives/yahoos-450-000-account-security-breach-whose-fault-was-it.php http://www.readwriteweb.com/archives/yahoos-450-000-account-.... For instance, my employer IBM banned the use of dropbox in the company.