Oh, she heard it. An echo, faint and half-lost through there connection.

There's only a slight pause, and not for the way she's working her nails in between the slight gap in the frame, all attempts at hacking falling distinctly short. Gabriel doesn't have a good reputation within the Legion; as far as Sombra can tell, it's not just because of Overwatch's former operatives roaming around freely, either.

"Reaper."

If she can't trust Cortana with at least that much— a creature designed for locking away classified information (like herself, if you were to ask Sombra)— they won't get far.