Security in the Clouds
“There is no security on this earth, there is only opportunity.”
General Douglass MacArthur
Think about it. If a five-star general with more than a passing acquaintance with the Sherman tank wasn’t convinced security existed even after winning WWII, who can blame IT professionals for still having a few doubts about the safety of cloud computing? Unlike previous computing revolutions IT has weathered (mainframe to client-server, client-server to Web), cloud computing challenges traditional security assumptions and approaches. For starters, there are actually three models of cloud computing, each with its own level of exposure, risk and security needs. Here’s a quick look at each and how the Cloud Security Alliance (CSA) describes their individual security concerns.




