Igor V. Kotenko Framework for Integrated Proactive Network Worm Detection and Response. 379-386 2009 PDP https://doi.org/10.1109/PDP.2009.52 https://doi.ieeecomputersociety.org/10.1109/PDP.2009.52 conf/pdp/2009 db/conf/pdp/pdp2009.html#Kotenko09