caption nationality birth_date image article_title alma_mater
dan farmer in 2007 united states 05 april 1962 dan farmer in 2007.jpg dan farmer
 purdue university
dan farmer

dan farmer -lrb- born april 5 , 1962 -rrb- is an american computer security researcher and programmer who was a pioneer in the development of vulnerability scanners for unix operating systems and computer networks .
