The eight infrastructures identified were ( 1 ) information and communications ; ( 2 ) banking and finance ; ( 3 ) water supply ; ( 4 ) aviation , highway , mass transit , pipelines , rail , and waterborne commerce ; ( 5 ) emergency law enforcement ; ( 6 ) emergency fire services and continuity of government ; ( 7 ) electric power and oil and gas production and storage ; and ( 8 ) public health services .
The 8 infrastructures were identified using a stringent set of criteria .