http://abclocal.go.com/wpvi/story?section=sci_tech&id=4705378... Christopher Soghoian, a 24-year-old Ph.D. student at Indiana University's School of Informatics, published an interactive page on his Web site that produced a bogus boarding pass that could be used to gain access to an airport's boarding gate. The pass would not actually permit someone to board a plane. Soghoian said the fake pass would "allow you to sneak under the radar of the no-fly list, and while it is more complex, it will allow you to go through the TSA checkpoint without raising any red flags." ...
"I had a conversion with the FBI tonight," Soghoian told me. "We agreed that the issue of boarding passes is important, but that my particular approach could be improved upon."
Wendy Osborne, a special agent with the FBI's Indianapolis field office, declined to discuss the matter, but said Soghoian was not arrested. "We do take precautions when there are potential security problems in light of everything that's going on these days." ...
http://blog.washingtonpost.com/securityfix/2006/10/boarding_pass_hacker_gets_visi_1.html