Web Services Security: Trouble in Transit
A transport company's trucks are scheduled for bogus pickups. A financial services firm's investment data is given away for free. A health insurance provider's private patient data is exposed. These are the disastrous situations that can occur when Web services data is nefariously snatched midstream.
http://www.computerworld.com/securitytopics/security/story/0,10801,95197,00.html