In Episode 47 of SIW Radio's podcast series, SecurityInfoWatch.com editor Geoff Kohl speaks with Kevin Beaver about the top security holes affecting businesses. We cover web applications, social engineering, physical security, databases and network flaws. In the episode, we also take a look at the newly released edition of "Hacking for Dummies", which is a guide for business professionals to test their IT systems for security weaknesses. We close by examining the one thing that Kevin thinks businesses should do to minimize security weaknesses.