- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
Security codes protecting access to the Romulan computer network. In 2368 Lieutenant Commander Data and Ambassador Spock broke the codes and were able to access the Romulan computers.