I think they're breaking in.

4 seconds sound clip from the TRON (1982) movie soundboard.

You can hear this line at 01:08:25 in the Blu-ray version of the movie.

Quote context

[...]

- Dedicate yourself to getting the disk into the heart of the MCP.

- This interface is located at its base.

- We will not be able to communicate again unless you succeed. Go!

- This is the key to a new order.

- This code disk means freedom.

- I think they're breaking in.

- Thank you, Dumont.

- Hurry! The Users are waiting.

- Dumont. (3)

- Where's the program?

[...]