(exp) to keep to oneself
(n) (comp) sensitivity indication
(n) (the crime of) revealing state secrets
(n) the crime of revealing a secret
breach of confidence
(n) abuse of confidentiality
(exp) the crime of revealing a secret
breach of confidence
(exp) to disclose a secret
(exp) to betray (reveal) a secret
(n) secret will and testament (sealed envelope will)
(n) (comp) non-disclosure agreement
NDA
(n) The Yalta Agreement (secret American-British-Soviet agreement wherein the Soviets agreed to attack Japan within three months of the German surrender: Feb. 11, 1945)
(exp) have (a) potential for ...
have it in one to do
(exp) to betray a secret
(n) (comp) secret key cryptosystem