Architecturally, SOA poses several unique challenges for application security. As companies move toward the SOA ideal of open, self-describing, and loosely-coupled applications, they also must expose critical data across corporate boundaries and eventually to partners, customers, and, potentially, criminals. Enterprises must also contend with a restrictive regulatory environment that increases requirements for secure, auditable accounting throughout the system. For these reasons, security can be seen as the primary limiting factor in the expansion of SOA. -SOA Security Architect - THE SOA NETWORK
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