Web Services Security: is the problem solved?

During the past years significant standardization work in web services technology has been made. As a consequence of these initial efforts, web services foundational stable specifications have already been delivered. Now, it is time for the industry to standardize and address the security issues that have risen from this paradigm. Great activity is being carried out on this subject. This article demonstrates, however, that a lot of work needs to be done in web services security standardization. It explains the new web services security threats and mentions the main initiatives and their respective specifications that try to solve them. Unaddressed security issues for each specification are stated. In addition, current general security concerns are detailed and a general solution is proposed.