The trouble with Google hacking techniques

Some IT security professionals say the threat posed by Google hacking techniques is overblown and that companies can easily avoid it with a layered security program. One skeptical expert is Ira Winkler, founder of the Internet Security Advisors Group (ISAG) and author of such books as "Spies Among Us." In this Q&A, he talks about how Google hacking is not new and why he thinks IT pros who aren't aware of it should go back to security school.