Seems sort of deja vu. I swear we were just debating this subject (into the dirt ) in this thread: Outsourcing Security.

Just as that thread is dying down- with the majority viewpoint being that outsourced security is a bad idea- this Information Week article appears claiming that the majority of security will be outsourced by 2010.

Report says Virtually All Big Companies Will Outsource Security By 2010

Security outsourcing will prove attractive, said Kovar, for reasons other than the cost savings typically cited by companies that farm out business processes. Among the drivers toward managed services are the accelerated attacks of today's threats--giving enterprises virtually no time to put up defenses on their own before an attack infiltrates a network--legislative requirements such as HIPAA and Sarbanes-Oxley, and the trend toward pushing out the network perimeter to include partners and remote workers.