"For Windows Vista Security, Microsoft Called in Pros"

The Washington Post article, "For Windows Vista Security, Microsoft Called in Pros," says that the NSA assisted with the security of Vista. The article says,

The NSA also declined to be specific but said it used two groups -- a "red team" and a "blue team" -- to test Vista's security. The red team, for instance, posed as "the determined, technically competent adversary" to disrupt, corrupt or steal information. "They pretend to be bad guys," Sager [NSA's chief of vulnerability analysis and operations group] said, The blue team helped Defense Department system administrators with Vista's configuration.