SOA security gets more complex in the world of hosted services, cloud computing and software as a service. But approaches and specifications like Enterprise Integration Security Patterns, Web Services-Policy and Web Services-Security <A HREF="http://www.eweek.com/c/a/Security/New-Technologies-Help-Improve-SOA-Security/?kc=EWKNLNAVFEA1">help alleviate some of the complexity.</A>

In a keynote at the Web Services Security & SOA Conference and Expo, Eric Newcomer, chief technology officer at Iona Technologies, said SOA is often deployed in heterogeneous environments where services abstract business logic from the underlying technology.