More and more, companies are going to SaaS (Software as a Service) solutions. They offer a quick and generally less expensive solutions compared to standard software approach. This has been made possible by a standardization of the solution, a mutualization of the hardware resources and a pay as you growth economic model. In a business point of view it is also a nice way to bypass the terrible internal IS and IT services to obtain tomorrow what they dreamed to have since a long time.
Beyond this nice view, even if SaaS sellers expect you to trust them, they only provide services, you should never forget that there is under an hadware and It Ops layer your IS/IT team must review before contracting.
This article, follow a brainstorming we had on this topic and gives some area we should investigate before contract anything.