<A target="_blank" href="http://www.cio.com/article/681060/After_40_Years_E_Mail_Security_Still_Elusive_Experts_Say?source=rss_news&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+cio%2Farticles+%28CIO+-+Articles%29">According to a survey by VaporSteam Inc., people still haven't gotten the hang of e-mail security.</A> People have mailed credit card numbers, confidential business data, and embarrassing personal information, all apparently without thinking.