"Information Sharing and Analysis Centers (ISACs) are designed to support and enable the secure transfer of information between the government and private sector critical infrastructures within a specific sector, as well as information sharing between the various critical infrastructure sectors. Per a whitepaper published by the ISAC Council, each ISAC : (1) "Provides to its constituency a 24/7 secure operating capability that establishes the sector's specific information sharing/intelligence requirements for incidents, threats and vulnerabilities; (2) Collects, analyzes and disseminates alerts and incident reports to its membership based on its sector focused subject matter analytical expertise; (3) Helps the government understand impacts for its sector; (4) Provides an electronic, trusted capability for its membership to exchange and share information on cyber, physical and all other threats in order to defend the critical infrastructure; and (5) Shares and provides analytical support to government and other ISACs regarding technical sector details and in mutual information sharing and assistance during actual or potential sector disruptions, whether caused by intentional, accidental or natural events"