Research Article
HYBINT: A Hybrid Intelligence System for Critical Infrastructures Protection
Figure 2
Cyber incidents detected in Spain (2009-2016) (source: https://www.ccn-cert.cni.es/informes/informes-ccn-cert-publicos/1554-ccn-cert-ia-09-16-cyber-threats-2015-trends-2016-executive-summary/file.html.) (source: https://www.ccn-cert.cni.es/informes/informes-ccn-cert-publicos/2249-ccn-cert-ia-16-17-cyberthreats-trends-2017-executive-summary-1/file.html.).