Cristina Serban O. Sami Saydjari Themes and Highlights of the New Security Paradigms Workshop 2002. 297-300 2002 conf/acsac/2002 ACSAC http://csdl.computer.org/comp/proceedings/acsac/2002/1828/00/18280297abs.htm db/conf/acsac/acsac2002.html#SerbanS02