Tim Buchheim Michael Erlinger Ben Feinstein Greg Matthews Roy Pollock Joseph Betser Andy Walther Implementing the Intrusion Detection Exchange Protocol. 32-44 2001 conf/acsac/2001 ACSAC http://csdl.computer.org/comp/proceedings/acsac/2001/1405/00/14050032abs.htm db/conf/acsac/acsac2001.html#BuchheimEFMPBW01