All enterprises will have to find tools to secure Web services as Web-based languages, such as extensible markup language will be gradually introduced into system architectures. In a recent interview conducted at the Burton Group Catalyst conference, Chris Haddad, director of technical architecture at Midvale, Utah-based Burton Group discussed the growing use of XML gateway appliances and other tools enterprises are using to secure service interactions. "Developers today have the tools to produce Web services and there are a multitude of unmanaged, unsecured Web services inside an organization's data center and across its application landscape," Haddad said. "Companies are realizing that they have to gain control of this environment." In this Q&A, Haddad talks about <A HREF="http://searchsecurity.techtarget.com/qna/0,289202,sid14_gci1263069,00.html?track=sy160">the evolution of SOA, the introduction of Web services</A> and how early adopters are choosing to secure the Web-based messages being sent between applications and systems.