Related Clues:

• Spy, at times
• Hacker, maybe
• Microsoft employee
• Ciphertext writer
• Person with something to hide
• Computer programmer, e.g.
• Programmer
• Microsoft employee, e.g.
• Spy's gizmo
• Computer programmer
• Programming pro
• Software company worker
• Modem, e.g.
• Enigma machine, e.g.
• Software programmer