ATC
Barr Gives Only an Illusion of Privacy, Says IT Expert

“The Block Aircraft Registration Request [Barr] program doesn’t really provide privacy; it’s just a barrier,” Dustin Hoffman, president of Los Angeles-based IT engineering firm Exigent Systems, told AIN. Hoffman, who has a private pilot certificate and flies a piston single for his business, set out to prove his point at the Defcon 20 computer security conference earlier this month in Las Vegas.