These are risks which can't be mitigated by the project management team. The project sponsor or Project Board will decide on what action to take which might include accepting the risk, additional funding, or stopping the project.
Unit Cost
the total cost of one unit of production.
Unit Test
the testing of individual units of software code, tests may be automated or manual.
An assembly of system end-users that enable them to share a common set of security permissions within the ECM system. Also referred to as a Security Group.