They have specified that to protect themselves, we must maintain secrecy.

Third, that those things will not be found out by maintaining secrecy.

They go to great efforts to maintain secrecy, including sweeping the room for bugs.

Both nations had agreed, for the moment at least, to maintain total secrecy on the whole affair.

Some companies change their ringback number every month to maintain secrecy.

They had to be carried out in small units to maintain secrecy and surprise.

The Americans, too, are able to maintain secrecy when they wish.

Their small number is evidence of deliberate caution, to maintain secrecy and security.

He provides her with a travel document, but she is killed to maintain secrecy.

He had taken great pains, in fact, to maintain secrecy thus far.