The debate isn't security versus privacy. It's liberty versus control. [...] If you set up the false dichotomy, of course people will choose security over privacy - especially if you scare them first. But it's still a false dichotomy. There is no security without privacy. And liberty requires both security and privacy.
Bruce Schneier on security vs. privacy
Here is just a quick link to an article about privacy and security by Bruce Schneier at Wired. He explains the wrong perception regarding the trade-off between these two values.