Title: 
''Botnets - The Silent Threat''http://www.enisa.europa.eu/doc/pdf/deliverables/enisa_pp_botnets.pdf
Summary: This document alerts to the growing threat of criminal activity involving botnets. These are networks of computers on which a bot, a programme without user intervention, has been installed. The document also makes recommendations on actions to be taken in order to reduce the risks associated with this threat.
Author: European Network and Information Security Agency (ENISA)
Date: November 2007
