tampering
US /ˈtæm.pɚ.ɪŋ/
UK /ˈtæm.pɚ.ɪŋ/

1.
Manipulation, Sabotage, Verfälschung
the act of interfering with something in order to cause damage or make unauthorized alterations
:
•
There was evidence of tampering with the lock.
Es gab Beweise für Manipulationen am Schloss.
•
The company warned against any tampering with their products.
Das Unternehmen warnte vor jeglicher Manipulation ihrer Produkte.