You'll never get in through frontline security, but you might look for a back door.
6 seconds sound clip from the WarGames (1983) movie soundboard.
You can hear this line at 00:33:05 in the Blu-ray version of the movie.
Quote context
[...]
- Jim, how do I get into that system? I want to play those games.
- You're not supposed to see any of that stuff!
- That system probably detains a new data encryption algorithm. You'll never get in there!
- I don't believe that any system is totally secure.
- You'll never get in through frontline security, but you might look for a back door.
- That girl standing over there listening and you tell him about our back door?
- Mr. Potato Head! Back doors are not secrets!
- Yeah, but you're giving away all our best tricks.
[...]