Gaffer Tape said:
... See, I don't see a problem with someone getting a brief glimpse of me and then forgetting about it in the onslaught of thousands of other passengers. If airport security has access to "nude" pictures of everyone, though, and could access them at any time, THEN I could definitely see that being an invasion of privacy...
I imagine if they do keep an archive, just give it time and something's gonna end up on the internet.