IBM: Food, water, sanitation, education, health care and transportation sectors accounted for 8 percent of all incidents in 2014. The definition of critical infrastructure changes from country to country, which is part of the challenge when addressing and prioritizing cyberthreats targeting this area. The Department of Homeland Security defines critical infrastructure as the assets, systems and networks, whether physical or virtual, so vital to the United States that their incapacitation or destruction would have a debilitating effect on security, national economic security.”]