Joaquín García-Alfaro Michael A. Jaeger Gero Mühl I. Barrera Joan Borrell Distributed Exchange of Alerts for the Detection of Coordinated Attacks. 96-103 2008 CNSR http://doi.ieeecomputersociety.org/10.1109/CNSR.2008.70 conf/cnsr/2008 db/conf/cnsr/cnsr2008.html#Garcia-AlfaroJMBB08