Open source meets security: We've all been taught to be wary of free lunches. And IT admins, certainly, know to be cautious when choosing tools to protect their assets. But InfoWorld Contributing Editor Tom Bowers finds that there's an array of free, open source security tools and techniques out there that are well worth the time investment. Know thy products: Too many SOA vendors fail when it comes to educating Open source meets security: We’ve all been taught to be wary of free lunches. And IT admins, certainly, know to be cautious when choosing tools to protect their assets. But InfoWorld Contributing Editor Tom Bowers finds that there’s an array of free, open source security tools and techniques out there that are well worth the time investment.Know thy products: Too many SOA vendors fail when it comes to educating would-be customers about their wares, laments Real World SOA blogger David Linthicum. “They do know how to list buzzwords they think will wow their prospects and existing customers; however in many cases the customers become further confused, or worse, don’t even get the core concept behind the product, not to mention SOA.” Explaining SOA at a high level, as well as what issues your product can, and can’t, address, are all critical to the sales pitch, he advises.Cooking with virtualization: Virtualization is a recipe for potential savings through consolidation — but it’s certainly not an easy-bake effort. To help keep your virtualization efforts from collapsing like an unfortunate souffle, InfoWorld Virtualization Report blogger David Marshall shares an array of virtualization cookbooks from Microsoft. Bon appetit! Technology Industry