Across
- 1. a secret message system in which an entire word or phrase is replaced by another word, a series of letters, or a string of numbers known as a “code group”
- 4. a message that had been captured, or intercepted, from an enemy’s communications
- 7. machines built to crack the German enigma cipher by detecting a day’s key settings
- 8. a coded message sent by radio
- 9. a small group working apart from the main organization
- 10. an educated guess about what a coded message says, used to help break the code or cipher
- 12. both making and breaking codes and ciphers
- 13. discrimination based on gender
- 14. to send a message, often using radio signals
Down
- 1. the art and science of making codes and ciphers
- 2. the art and science of breaking codes and ciphers
- 3. a secret message system in which a single letter or number is replaced by another single letter or number
- 5. a code made up of dots and dashes, or long and short sounds, that represent letters and numbers
- 6. a diplomat working on behalf of his or her government in a foreign country
- 11. information collected for military and political purposes