The Energy Sector led all others again in 2014 with the most reported incidents. ICS-CERT’s continuing partnership with the Energy Sector provides many opportunities to share information and collaborate on incident response efforts.
Of the total number of incidents reported to ICS-CERT, roughly 55 percent involved advanced persistent threats (APT) or sophisticated actors.
Read the full report here – https://ics-cert.us-cert.gov/sites/default/files/Monitors/ICS-CERT_Monitor_Sep2014-Feb2015.pdf