Tal Garfinkel Ben Pfaff Mendel Rosenblum Ostia: A Delegating Architecture for Secure System Call Interposition. 2004 conf/ndss/2004 NDSS http://www.isoc.org/isoc/conferences/ndss/04/proceedings/Papers/Garfinkel.pdf db/conf/ndss/ndss2004.html#GarfinkelPR04