Guide to Penetration Testing for Electric Utilities
National Electric Sector Cybersecurity Organization Resource (NESCOR) / Electric Power Research Institute
http://smartgrid.epri.com/doc/NESCORGuidetoPenetrationTestingforElectricUtilities-v3-Final.pdf
http://smartgrid.epri.com/doc/NESCORGuidetoPenetrationTestingforElectricUtilities-v3-Final.pdf