Possible Clues:

• Not easily read
• Scrambled, to Bond
• Terminated, accepting company's secret missive could be so
• Protected from prying eyes, in a way
• In cryptic version, crosswords often will be started and completed outside
• Wrote cryptograms, maybe .
• One who won't fight to stop over as secrets are dispatched?
• In ciphertext
• Like many N.S.A. communications
• Like some spy messages