RAMESH NAGAPPAN, CISSP, CISA, CRISC, CCSK is a Senior Principal Security Engineer at Oracle Corporation, (Previously at Sun Microsystems). He has extensive experience with, and remains focused on Cloud infrastructure security, Cryptography applications, Compliance and Identity Management technologies. Ramesh is the co-author of Core Security Patterns (Prentice Hall) and four other books on topics related to J2EE, EAI and XML Web services. He can be reached at www.websecuritypatterns.com/blogs.