007
authority
bureaucracy
classified
confidential
cover up
covert
document
documentation
file
government
hush
hushhush
information
isolated
mi5
mi6
military
national security
no access
office
official
paperwork
private
prohibit
prohibited
red
restrict
restrictions
rubber
rubber stamp
secret
secret service
security
sensitive
spy
stamp
stealth
top secret
under wraps
underhanded
unknown