Ron Ben-Natan is Chief Technical Officer at Guardium, a leader in database and application security. Ron is an expert in the field of application security, database security and enterprise applications. He is also an expert in distributed computing, J2EE applications, and Web services. He has published 9 technical books including several best-selling WebSphere application server books and over 40 technical articles.Books published:CORBA, McGraw Hill, 353pp, 0070054274Objects on the Web, McGraw Hill, 488pp, 0070062811CORBA on the Web, McGraw Hill, 432pp, 0070067244IBM San Francisco Developer’s Guide, McGraw Hill, co-authored with Ori Sasson, 928pp, 0071351779IBM WebSphere Starter Kit, Osborne/McGraw Hill, co-authored with Ori Sasson, 720pp, 0072124075Web Applications - Published in Japanese for the Japanese market, co-authored with Ori SassonIntegrating Service Level Agreements, John Wiley & Sons, co-authored with John Lee, 352pp, 0471210129IBM WebSphere Application Server - the Complete Reference, Osborne/McGraw Hill, co-authored with Ori Sasson, 997pp, 0072223944Mastering WebSphere Portal, John Wiley & Sons, co-authored with Richard Gornitsky, Tim Hannis, and Ori Sasson, 552pp, 0764539914