History
- Priority
- should
- 2015
- Agencies must use protective marking checks to restrict the export of data out of eachsecurity domain, including through a gateway.
- 2010
- Agencies should restrict the export of data to a system of a lesser classification by filtering data using atleast protective marking checks.
- 2008
- Agencies should restrict the export of data to a less classified system by filtering data using at least protective marking checks.