noun / verb
breach
BREECH/briːtʃ/
A breaking through of a boundary or barrier.
The breach in the fence lets a person pass through.

Etymology
Old English bryce named an act of breaking and already also meant a violation. A breach of duty or agreement treats an obligation as something broken, like a physical barrier.
In context
Unauthorized viewing of this file is strictly prohibited and will be considered a violation of Foundation contracts and a breach of international law.