Illustrated below is a
simplified representation of an ISAC-enabled Improved National Asset Data Base (INADB).
The information passed between the ISAC
and DHS is based on situation-dependent permissions. In
other words, government access to the most sensitive commercial
and infrastructure information would be dependent upon the
criticality of the situation. For long term planning less
sensitive, generalized information would be freely exchanged.
During emergencies, access to the most sensitive and critical
information would be necessary, and the permissions would allow
that information to be exchanged. Additionally, the ISACs
would be in a position to support ad hoc queries by the