Frequently Asked Questions

What is an ISAC?

An ISAC is an Information Sharing and Analysis Center.  Each critical infrastructure industry has established an ISAC to communicate with its members, its government partners, and other ISACs about threat indications, vulnerabilities, and protective strategies.  ISACs work together to better understand cross-industry dependencies and to account for them in emergency response planning.

What is PDD-63?

Presidential Decision Directive 63 - PDD 63 - was issued by President Bill Clinton in 1998.  It defines eight infrastructure industries critical to our national economy and public well-being.  (Electricity is one of  the eight).  It also proposes the creation of ISACs. 

Who belongs to ES-ISAC? 

All entities in the electricity sector are participants in the ES-ISAC.   

Who runs the ES-ISAC?

The ES-ISAC is operated by the North American Electric Reliability Corporation on behalf of the electricity sector.