confidentialised
confidentiality
inside information
details
mum
nonconfidential
confidentially
under one's hat
talebearing
blabbermouthed
leaky
tattling
spill the beans
babble out
professional secrecy
tattle
babble
blab
blab out
peach
sing
let the cat out of the bag
closehandedness
talk
hugger-mugger
skinny
doc drop
news leak
leak
semisecret
darkness
privilege
backroom
on the Q.T.
on the QT
secretly
in secret
keep one's mouth shut
keep quiet
shut one's mouth
confidentialness
semisecrecy
underhand
esoteric
clandescent
hush-hush
superarcane
hypersecrecy
secernent
hidness
privily
know where the bodies are buried
blag
sanctum
sanctum sanctorum
hole-and-corner
espionage
hypersecretory
cyberprivacy
secretness
secluded
cloistered
cloakedly
secretive
sequestered
tell tales out of school
close
reclusive
tightlipped
closelipped
closemouthed
disprivacied
semisecretly
public domain
secretively
shoot off at the mouth
deprivatize
covert
under wraps
a man's home is his castle
clearance
confidence
infosec
exposure
sub rosa
closeness
Chinese Wall
divulgence
back door
nonsecrecy
closehanded
divulgement
confidable
unsecrecy
kleptography