Andrew James Simmonds Peter Sandilands Louis van Ekert An Ontology for Network Security Attacks. 317-323 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3285&spage=317 2004 conf/aacc/2004 AACC db/conf/aacc/aacc2004.html#SimmondsSE04