Tamper

Tamper can mean:

A device used for tamping, commonly to prepare ground coffee beans to make espresso.
A ballast tamper, a machine that tamps track ballast, invented by Sir John Scott.
In nuclear weapon design, either a shell surrounding the fission core and keeping the nuclear material assembled during the explosion for longer time, raising yield, or the outermost layer of a "secondary" thermonuclear component.
A tool with a long handle and a flat metal head, used in a "stomping" type motion to flatten ground, gravel or other type of materials, for gardening or landscaping tasks. See also Spud bar.
To make unauthorised alterations to something. Products can be made tamper-evident to protect against tampering.
Tamper detection: the automatic determination by a module that an attempt has been made to compromise the physical security.
Tamper evidence: the external indication that an attempt has been made to compromise the physical security of a module.
Tamper response: the automatic action taken by a module when a tamper attempt has been detected.
Tamper tape: tape or sticker often logoed placed over a seem or screw to show physical security has been breached when tape is broken on the module.