Lauren Stover

You can vet employees for basic information on their backgrounds, but it's not going to prevent them from carrying out some kind of malicious activity against an airport. And airports need to know their threats. For us, we have threats from criminal activity to being targets of a terrorism attack.

It's not 100 percent foolproof, and we know that people are going to exploit the vulnerabilities that they can find, we're not just looking for terrorist activity. We have a range of threats.